18473520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1$

素因数の和:251

約数の個数: 160

約数和(自身を含む): 63995904

約数和(自身を除く): 45522384

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 31, 39, 40, 48, 52, 60, 62, 65, 78, 80, 93, 104, 120, 124, 130, 155, 156, 186, 191, 195, 208, 240, 248, 260, 310, 312, 372, 382, 390, 403, 465, 496, 520, 573, 620, 624, 744, 764, 780, 806, 930, 955, 1040, 1146, 1209, 1240, 1488, 1528, 1560, 1612, 1860, 1910, 2015, 2292, 2418, 2480, 2483, 2865, 3056, 3120, 3224, 3720, 3820, 4030, 4584, 4836, 4966, 5730, 5921, 6045, 6448, 7440, 7449, 7640, 8060, 9168, 9672, 9932, 11460, 11842, 12090, 12415, 14898, 15280, 16120, 17763, 19344, 19864, 22920, 23684, 24180, 24830, 29605, 29796, 32240, 35526, 37245, 39728, 45840, 47368, 48360, 49660, 59210, 59592, 71052, 74490, 76973, 88815, 94736, 96720, 99320, 118420, 119184, 142104, 148980, 153946, 177630, 198640, 230919, 236840, 284208, 297960, 307892, 355260, 384865, 461838, 473680, 595920, 615784, 710520, 769730, 923676, 1154595, 1231568, 1421040, 1539460, 1847352, 2309190, 3078920, 3694704, 4618380, 6157840, 9236760, 18473520]

約数ペア:

[(1, 18473520), (2, 9236760), (3, 6157840), (4, 4618380), (5, 3694704), (6, 3078920), (8, 2309190), (10, 1847352), (12, 1539460), (13, 1421040), (15, 1231568), (16, 1154595), (20, 923676), (24, 769730), (26, 710520), (30, 615784), (31, 595920), (39, 473680), (40, 461838), (48, 384865), (52, 355260), (60, 307892), (62, 297960), (65, 284208), (78, 236840), (80, 230919), (93, 198640), (104, 177630), (120, 153946), (124, 148980), (130, 142104), (155, 119184), (156, 118420), (186, 99320), (191, 96720), (195, 94736), (208, 88815), (240, 76973), (248, 74490), (260, 71052), (310, 59592), (312, 59210), (372, 49660), (382, 48360), (390, 47368), (403, 45840), (465, 39728), (496, 37245), (520, 35526), (573, 32240), (620, 29796), (624, 29605), (744, 24830), (764, 24180), (780, 23684), (806, 22920), (930, 19864), (955, 19344), (1040, 17763), (1146, 16120), (1209, 15280), (1240, 14898), (1488, 12415), (1528, 12090), (1560, 11842), (1612, 11460), (1860, 9932), (1910, 9672), (2015, 9168), (2292, 8060), (2418, 7640), (2480, 7449), (2483, 7440), (2865, 6448), (3056, 6045), (3120, 5921), (3224, 5730), (3720, 4966), (3820, 4836), (4030, 4584)]