18767772

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{251}}^1$

素因数の和:359

約数の個数: 72

約数和(自身を含む): 49900032

約数和(自身を除く): 31132260

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 67, 93, 124, 134, 186, 201, 251, 268, 279, 372, 402, 502, 558, 603, 753, 804, 1004, 1116, 1206, 1506, 2077, 2259, 2412, 3012, 4154, 4518, 6231, 7781, 8308, 9036, 12462, 15562, 16817, 18693, 23343, 24924, 31124, 33634, 37386, 46686, 50451, 67268, 70029, 74772, 93372, 100902, 140058, 151353, 201804, 280116, 302706, 521327, 605412, 1042654, 1563981, 2085308, 3127962, 4691943, 6255924, 9383886, 18767772]

約数ペア:

[(1, 18767772), (2, 9383886), (3, 6255924), (4, 4691943), (6, 3127962), (9, 2085308), (12, 1563981), (18, 1042654), (31, 605412), (36, 521327), (62, 302706), (67, 280116), (93, 201804), (124, 151353), (134, 140058), (186, 100902), (201, 93372), (251, 74772), (268, 70029), (279, 67268), (372, 50451), (402, 46686), (502, 37386), (558, 33634), (603, 31124), (753, 24924), (804, 23343), (1004, 18693), (1116, 16817), (1206, 15562), (1506, 12462), (2077, 9036), (2259, 8308), (2412, 7781), (3012, 6231), (4154, 4518)]