18949207870

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{44071}}^1$

素因数の和:44201

約数の個数: 64

約数和(自身を含む): 37570498560

約数和(自身を除く): 18621290690

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 73, 95, 146, 155, 190, 310, 365, 589, 730, 1178, 1387, 2263, 2774, 2945, 4526, 5890, 6935, 11315, 13870, 22630, 42997, 44071, 85994, 88142, 214985, 220355, 429970, 440710, 837349, 1366201, 1674698, 2732402, 3217183, 4186745, 6434366, 6831005, 8373490, 13662010, 16085915, 25957819, 32171830, 51915638, 61126477, 99732673, 122252954, 129789095, 199465346, 259578190, 305632385, 498663365, 611264770, 997326730, 1894920787, 3789841574, 9474603935, 18949207870]

約数ペア:

[(1, 18949207870), (2, 9474603935), (5, 3789841574), (10, 1894920787), (19, 997326730), (31, 611264770), (38, 498663365), (62, 305632385), (73, 259578190), (95, 199465346), (146, 129789095), (155, 122252954), (190, 99732673), (310, 61126477), (365, 51915638), (589, 32171830), (730, 25957819), (1178, 16085915), (1387, 13662010), (2263, 8373490), (2774, 6831005), (2945, 6434366), (4526, 4186745), (5890, 3217183), (6935, 2732402), (11315, 1674698), (13870, 1366201), (22630, 837349), (42997, 440710), (44071, 429970), (85994, 220355), (88142, 214985)]