19021470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1$

素因数の和:210

約数の個数: 128

約数和(自身を含む): 55157760

約数和(自身を除く): 36136290

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 19, 26, 30, 34, 38, 39, 51, 57, 65, 78, 85, 95, 102, 114, 130, 151, 170, 190, 195, 221, 247, 255, 285, 302, 323, 390, 442, 453, 494, 510, 570, 646, 663, 741, 755, 906, 969, 1105, 1235, 1326, 1482, 1510, 1615, 1938, 1963, 2210, 2265, 2470, 2567, 2869, 3230, 3315, 3705, 3926, 4199, 4530, 4845, 5134, 5738, 5889, 6630, 7410, 7701, 8398, 8607, 9690, 9815, 11778, 12597, 12835, 14345, 15402, 17214, 19630, 20995, 25194, 25670, 28690, 29445, 33371, 37297, 38505, 41990, 43035, 48773, 58890, 62985, 66742, 74594, 77010, 86070, 97546, 100113, 111891, 125970, 146319, 166855, 186485, 200226, 223782, 243865, 292638, 333710, 372970, 487730, 500565, 559455, 634049, 731595, 1001130, 1118910, 1268098, 1463190, 1902147, 3170245, 3804294, 6340490, 9510735, 19021470]

約数ペア:

[(1, 19021470), (2, 9510735), (3, 6340490), (5, 3804294), (6, 3170245), (10, 1902147), (13, 1463190), (15, 1268098), (17, 1118910), (19, 1001130), (26, 731595), (30, 634049), (34, 559455), (38, 500565), (39, 487730), (51, 372970), (57, 333710), (65, 292638), (78, 243865), (85, 223782), (95, 200226), (102, 186485), (114, 166855), (130, 146319), (151, 125970), (170, 111891), (190, 100113), (195, 97546), (221, 86070), (247, 77010), (255, 74594), (285, 66742), (302, 62985), (323, 58890), (390, 48773), (442, 43035), (453, 41990), (494, 38505), (510, 37297), (570, 33371), (646, 29445), (663, 28690), (741, 25670), (755, 25194), (906, 20995), (969, 19630), (1105, 17214), (1235, 15402), (1326, 14345), (1482, 12835), (1510, 12597), (1615, 11778), (1938, 9815), (1963, 9690), (2210, 8607), (2265, 8398), (2470, 7701), (2567, 7410), (2869, 6630), (3230, 5889), (3315, 5738), (3705, 5134), (3926, 4845), (4199, 4530)]