17987892

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1721}}^1$

素因数の和:1808

約数の個数: 48

約数和(自身を含む): 45901632

約数和(自身を除く): 27913740

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 67, 78, 134, 156, 201, 268, 402, 804, 871, 1721, 1742, 2613, 3442, 3484, 5163, 5226, 6884, 10326, 10452, 20652, 22373, 44746, 67119, 89492, 115307, 134238, 230614, 268476, 345921, 461228, 691842, 1383684, 1498991, 2997982, 4496973, 5995964, 8993946, 17987892]

約数ペア:

[(1, 17987892), (2, 8993946), (3, 5995964), (4, 4496973), (6, 2997982), (12, 1498991), (13, 1383684), (26, 691842), (39, 461228), (52, 345921), (67, 268476), (78, 230614), (134, 134238), (156, 115307), (201, 89492), (268, 67119), (402, 44746), (804, 22373), (871, 20652), (1721, 10452), (1742, 10326), (2613, 6884), (3442, 5226), (3484, 5163)]