19305028850

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{73}}^1\times {\mathrm{331}}^1$

素因数の和:493

約数の個数: 144

約数和(自身を含む): 39801634080

約数和(自身を除く): 20496605230

約数列:

[1, 2, 5, 10, 19, 25, 29, 38, 50, 58, 73, 95, 145, 146, 190, 290, 331, 365, 475, 551, 662, 725, 730, 841, 950, 1102, 1387, 1450, 1655, 1682, 1825, 2117, 2755, 2774, 3310, 3650, 4205, 4234, 5510, 6289, 6935, 8275, 8410, 9599, 10585, 12578, 13775, 13870, 15979, 16550, 19198, 21025, 21170, 24163, 27550, 31445, 31958, 34675, 40223, 42050, 47995, 48326, 52925, 61393, 62890, 69350, 79895, 80446, 95990, 105850, 120815, 122786, 157225, 159790, 182381, 201115, 239975, 241630, 278371, 306965, 314450, 364762, 399475, 402230, 459097, 479950, 556742, 604075, 613930, 700727, 798950, 911905, 918194, 1005575, 1166467, 1208150, 1391855, 1401454, 1534825, 1823810, 2011150, 2295485, 2332934, 2783710, 3069650, 3503635, 4559525, 4590970, 5289049, 5832335, 6959275, 7007270, 9119050, 10578098, 11477425, 11664670, 13313813, 13918550, 17518175, 20321083, 22954850, 26445245, 26627626, 29161675, 35036350, 40642166, 52890490, 58323350, 66569065, 101605415, 132226225, 133138130, 203210830, 264452450, 332845325, 386100577, 508027075, 665690650, 772201154, 1016054150, 1930502885, 3861005770, 9652514425, 19305028850]

約数ペア:

[(1, 19305028850), (2, 9652514425), (5, 3861005770), (10, 1930502885), (19, 1016054150), (25, 772201154), (29, 665690650), (38, 508027075), (50, 386100577), (58, 332845325), (73, 264452450), (95, 203210830), (145, 133138130), (146, 132226225), (190, 101605415), (290, 66569065), (331, 58323350), (365, 52890490), (475, 40642166), (551, 35036350), (662, 29161675), (725, 26627626), (730, 26445245), (841, 22954850), (950, 20321083), (1102, 17518175), (1387, 13918550), (1450, 13313813), (1655, 11664670), (1682, 11477425), (1825, 10578098), (2117, 9119050), (2755, 7007270), (2774, 6959275), (3310, 5832335), (3650, 5289049), (4205, 4590970), (4234, 4559525), (5510, 3503635), (6289, 3069650), (6935, 2783710), (8275, 2332934), (8410, 2295485), (9599, 2011150), (10585, 1823810), (12578, 1534825), (13775, 1401454), (13870, 1391855), (15979, 1208150), (16550, 1166467), (19198, 1005575), (21025, 918194), (21170, 911905), (24163, 798950), (27550, 700727), (31445, 613930), (31958, 604075), (34675, 556742), (40223, 479950), (42050, 459097), (47995, 402230), (48326, 399475), (52925, 364762), (61393, 314450), (62890, 306965), (69350, 278371), (79895, 241630), (80446, 239975), (95990, 201115), (105850, 182381), (120815, 159790), (122786, 157225)]