18919560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1303}}^1$

素因数の和:1339

約数の個数: 96

約数和(自身を含む): 62435520

約数和(自身を除く): 43515960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 121, 132, 165, 220, 242, 264, 330, 363, 440, 484, 605, 660, 726, 968, 1210, 1303, 1320, 1452, 1815, 2420, 2606, 2904, 3630, 3909, 4840, 5212, 6515, 7260, 7818, 10424, 13030, 14333, 14520, 15636, 19545, 26060, 28666, 31272, 39090, 42999, 52120, 57332, 71665, 78180, 85998, 114664, 143330, 156360, 157663, 171996, 214995, 286660, 315326, 343992, 429990, 472989, 573320, 630652, 788315, 859980, 945978, 1261304, 1576630, 1719960, 1891956, 2364945, 3153260, 3783912, 4729890, 6306520, 9459780, 18919560]

約数ペア:

[(1, 18919560), (2, 9459780), (3, 6306520), (4, 4729890), (5, 3783912), (6, 3153260), (8, 2364945), (10, 1891956), (11, 1719960), (12, 1576630), (15, 1261304), (20, 945978), (22, 859980), (24, 788315), (30, 630652), (33, 573320), (40, 472989), (44, 429990), (55, 343992), (60, 315326), (66, 286660), (88, 214995), (110, 171996), (120, 157663), (121, 156360), (132, 143330), (165, 114664), (220, 85998), (242, 78180), (264, 71665), (330, 57332), (363, 52120), (440, 42999), (484, 39090), (605, 31272), (660, 28666), (726, 26060), (968, 19545), (1210, 15636), (1303, 14520), (1320, 14333), (1452, 13030), (1815, 10424), (2420, 7818), (2606, 7260), (2904, 6515), (3630, 5212), (3909, 4840)]