17800870868

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1\times {\mathrm{19819}}^1$

素因数の和:20120

約数の個数: 48

約数和(自身を含む): 34463016000

約数和(自身を除く): 16662145132

約数列:

[1, 2, 4, 11, 22, 44, 137, 149, 274, 298, 548, 596, 1507, 1639, 3014, 3278, 6028, 6556, 19819, 20413, 39638, 40826, 79276, 81652, 218009, 224543, 436018, 449086, 872036, 898172, 2715203, 2953031, 5430406, 5906062, 10860812, 11812124, 29867233, 32483341, 59734466, 64966682, 119468932, 129933364, 404565247, 809130494, 1618260988, 4450217717, 8900435434, 17800870868]

約数ペア:

[(1, 17800870868), (2, 8900435434), (4, 4450217717), (11, 1618260988), (22, 809130494), (44, 404565247), (137, 129933364), (149, 119468932), (274, 64966682), (298, 59734466), (548, 32483341), (596, 29867233), (1507, 11812124), (1639, 10860812), (3014, 5906062), (3278, 5430406), (6028, 2953031), (6556, 2715203), (19819, 898172), (20413, 872036), (39638, 449086), (40826, 436018), (79276, 224543), (81652, 218009)]