19941623890

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{18749}}^1$

素因数の和:18907

約数の個数: 64

約数和(自身を含む): 38361600000

約数和(自身を除く): 18419976110

約数列:

[1, 2, 5, 10, 31, 47, 62, 73, 94, 146, 155, 235, 310, 365, 470, 730, 1457, 2263, 2914, 3431, 4526, 6862, 7285, 11315, 14570, 17155, 18749, 22630, 34310, 37498, 93745, 106361, 187490, 212722, 531805, 581219, 881203, 1063610, 1162438, 1368677, 1762406, 2737354, 2906095, 4406015, 5812190, 6843385, 8812030, 13686770, 27317293, 42428987, 54634586, 64327819, 84857974, 128655638, 136586465, 212144935, 273172930, 321639095, 424289870, 643278190, 1994162389, 3988324778, 9970811945, 19941623890]

約数ペア:

[(1, 19941623890), (2, 9970811945), (5, 3988324778), (10, 1994162389), (31, 643278190), (47, 424289870), (62, 321639095), (73, 273172930), (94, 212144935), (146, 136586465), (155, 128655638), (235, 84857974), (310, 64327819), (365, 54634586), (470, 42428987), (730, 27317293), (1457, 13686770), (2263, 8812030), (2914, 6843385), (3431, 5812190), (4526, 4406015), (6862, 2906095), (7285, 2737354), (11315, 1762406), (14570, 1368677), (17155, 1162438), (18749, 1063610), (22630, 881203), (34310, 581219), (37498, 531805), (93745, 212722), (106361, 187490)]