19913160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:199

約数の個数: 128

約数和(自身を含む): 63452160

約数和(自身を除く): 43539000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 53, 60, 62, 93, 101, 106, 120, 124, 155, 159, 186, 202, 212, 248, 265, 303, 310, 318, 372, 404, 424, 465, 505, 530, 606, 620, 636, 744, 795, 808, 930, 1010, 1060, 1212, 1240, 1272, 1515, 1590, 1643, 1860, 2020, 2120, 2424, 3030, 3131, 3180, 3286, 3720, 4040, 4929, 5353, 6060, 6262, 6360, 6572, 8215, 9393, 9858, 10706, 12120, 12524, 13144, 15655, 16059, 16430, 18786, 19716, 21412, 24645, 25048, 26765, 31310, 32118, 32860, 37572, 39432, 42824, 46965, 49290, 53530, 62620, 64236, 65720, 75144, 80295, 93930, 98580, 107060, 125240, 128472, 160590, 165943, 187860, 197160, 214120, 321180, 331886, 375720, 497829, 642360, 663772, 829715, 995658, 1327544, 1659430, 1991316, 2489145, 3318860, 3982632, 4978290, 6637720, 9956580, 19913160]

約数ペア:

[(1, 19913160), (2, 9956580), (3, 6637720), (4, 4978290), (5, 3982632), (6, 3318860), (8, 2489145), (10, 1991316), (12, 1659430), (15, 1327544), (20, 995658), (24, 829715), (30, 663772), (31, 642360), (40, 497829), (53, 375720), (60, 331886), (62, 321180), (93, 214120), (101, 197160), (106, 187860), (120, 165943), (124, 160590), (155, 128472), (159, 125240), (186, 107060), (202, 98580), (212, 93930), (248, 80295), (265, 75144), (303, 65720), (310, 64236), (318, 62620), (372, 53530), (404, 49290), (424, 46965), (465, 42824), (505, 39432), (530, 37572), (606, 32860), (620, 32118), (636, 31310), (744, 26765), (795, 25048), (808, 24645), (930, 21412), (1010, 19716), (1060, 18786), (1212, 16430), (1240, 16059), (1272, 15655), (1515, 13144), (1590, 12524), (1643, 12120), (1860, 10706), (2020, 9858), (2120, 9393), (2424, 8215), (3030, 6572), (3131, 6360), (3180, 6262), (3286, 6060), (3720, 5353), (4040, 4929)]