18843786

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1579}}^1$

素因数の和:1620

約数の個数: 64

約数和(自身を含む): 47779200

約数和(自身を除く): 28935414

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 27, 34, 39, 51, 54, 78, 102, 117, 153, 221, 234, 306, 351, 442, 459, 663, 702, 918, 1326, 1579, 1989, 3158, 3978, 4737, 5967, 9474, 11934, 14211, 20527, 26843, 28422, 41054, 42633, 53686, 61581, 80529, 85266, 123162, 161058, 184743, 241587, 348959, 369486, 483174, 554229, 697918, 724761, 1046877, 1108458, 1449522, 2093754, 3140631, 6281262, 9421893, 18843786]

約数ペア:

[(1, 18843786), (2, 9421893), (3, 6281262), (6, 3140631), (9, 2093754), (13, 1449522), (17, 1108458), (18, 1046877), (26, 724761), (27, 697918), (34, 554229), (39, 483174), (51, 369486), (54, 348959), (78, 241587), (102, 184743), (117, 161058), (153, 123162), (221, 85266), (234, 80529), (306, 61581), (351, 53686), (442, 42633), (459, 41054), (663, 28422), (702, 26843), (918, 20527), (1326, 14211), (1579, 11934), (1989, 9474), (3158, 5967), (3978, 4737)]