19919100840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5354597}}^1$

素因数の和:5354642

約数の個数: 64

約数和(自身を含む): 61684968960

約数和(自身を除く): 41765868120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 620, 744, 930, 1240, 1860, 3720, 5354597, 10709194, 16063791, 21418388, 26772985, 32127582, 42836776, 53545970, 64255164, 80318955, 107091940, 128510328, 160637910, 165992507, 214183880, 321275820, 331985014, 497977521, 642551640, 663970028, 829962535, 995955042, 1327940056, 1659925070, 1991910084, 2489887605, 3319850140, 3983820168, 4979775210, 6639700280, 9959550420, 19919100840]

約数ペア:

[(1, 19919100840), (2, 9959550420), (3, 6639700280), (4, 4979775210), (5, 3983820168), (6, 3319850140), (8, 2489887605), (10, 1991910084), (12, 1659925070), (15, 1327940056), (20, 995955042), (24, 829962535), (30, 663970028), (31, 642551640), (40, 497977521), (60, 331985014), (62, 321275820), (93, 214183880), (120, 165992507), (124, 160637910), (155, 128510328), (186, 107091940), (248, 80318955), (310, 64255164), (372, 53545970), (465, 42836776), (620, 32127582), (744, 26772985), (930, 21418388), (1240, 16063791), (1860, 10709194), (3720, 5354597)]