18650920484

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{3391}}^1\times {\mathrm{5309}}^1$

素因数の和:8748

約数の個数: 48

約数和(自身を含む): 38328514560

約数和(自身を除く): 19677594076

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 3391, 5309, 6782, 10618, 13564, 21236, 23737, 37163, 47474, 74326, 94948, 125467, 148652, 196433, 250934, 392866, 501868, 785732, 878269, 1375031, 1756538, 2750062, 3513076, 5500124, 18002819, 36005638, 72011276, 126019733, 252039466, 504078932, 666104303, 1332208606, 2664417212, 4662730121, 9325460242, 18650920484]

約数ペア:

[(1, 18650920484), (2, 9325460242), (4, 4662730121), (7, 2664417212), (14, 1332208606), (28, 666104303), (37, 504078932), (74, 252039466), (148, 126019733), (259, 72011276), (518, 36005638), (1036, 18002819), (3391, 5500124), (5309, 3513076), (6782, 2750062), (10618, 1756538), (13564, 1375031), (21236, 878269), (23737, 785732), (37163, 501868), (47474, 392866), (74326, 250934), (94948, 196433), (125467, 148652)]