19928784

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{227}}^1$

素因数の和:328

約数の個数: 80

約数和(自身を含む): 54282240

約数和(自身を除く): 34353456

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 59, 62, 93, 118, 124, 177, 186, 227, 236, 248, 354, 372, 454, 472, 496, 681, 708, 744, 908, 944, 1362, 1416, 1488, 1816, 1829, 2724, 2832, 3632, 3658, 5448, 5487, 7037, 7316, 10896, 10974, 13393, 14074, 14632, 21111, 21948, 26786, 28148, 29264, 40179, 42222, 43896, 53572, 56296, 80358, 84444, 87792, 107144, 112592, 160716, 168888, 214288, 321432, 337776, 415183, 642864, 830366, 1245549, 1660732, 2491098, 3321464, 4982196, 6642928, 9964392, 19928784]

約数ペア:

[(1, 19928784), (2, 9964392), (3, 6642928), (4, 4982196), (6, 3321464), (8, 2491098), (12, 1660732), (16, 1245549), (24, 830366), (31, 642864), (48, 415183), (59, 337776), (62, 321432), (93, 214288), (118, 168888), (124, 160716), (177, 112592), (186, 107144), (227, 87792), (236, 84444), (248, 80358), (354, 56296), (372, 53572), (454, 43896), (472, 42222), (496, 40179), (681, 29264), (708, 28148), (744, 26786), (908, 21948), (944, 21111), (1362, 14632), (1416, 14074), (1488, 13393), (1816, 10974), (1829, 10896), (2724, 7316), (2832, 7037), (3632, 5487), (3658, 5448)]