17999840

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1$

素因数の和:256

約数の個数: 96

約数和(自身を含む): 46448640

約数和(自身を除く): 28448800

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 76, 80, 95, 124, 152, 155, 160, 190, 191, 248, 304, 310, 380, 382, 496, 589, 608, 620, 760, 764, 955, 992, 1178, 1240, 1520, 1528, 1910, 2356, 2480, 2945, 3040, 3056, 3629, 3820, 4712, 4960, 5890, 5921, 6112, 7258, 7640, 9424, 11780, 11842, 14516, 15280, 18145, 18848, 23560, 23684, 29032, 29605, 30560, 36290, 47120, 47368, 58064, 59210, 72580, 94240, 94736, 112499, 116128, 118420, 145160, 189472, 224998, 236840, 290320, 449996, 473680, 562495, 580640, 899992, 947360, 1124990, 1799984, 2249980, 3599968, 4499960, 8999920, 17999840]

約数ペア:

[(1, 17999840), (2, 8999920), (4, 4499960), (5, 3599968), (8, 2249980), (10, 1799984), (16, 1124990), (19, 947360), (20, 899992), (31, 580640), (32, 562495), (38, 473680), (40, 449996), (62, 290320), (76, 236840), (80, 224998), (95, 189472), (124, 145160), (152, 118420), (155, 116128), (160, 112499), (190, 94736), (191, 94240), (248, 72580), (304, 59210), (310, 58064), (380, 47368), (382, 47120), (496, 36290), (589, 30560), (608, 29605), (620, 29032), (760, 23684), (764, 23560), (955, 18848), (992, 18145), (1178, 15280), (1240, 14516), (1520, 11842), (1528, 11780), (1910, 9424), (2356, 7640), (2480, 7258), (2945, 6112), (3040, 5921), (3056, 5890), (3629, 4960), (3820, 4712)]