19043820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{439}}^1$

素因数の和:695

約数の個数: 72

約数和(自身を含む): 58138080

約数和(自身を除く): 39094260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 241, 439, 482, 723, 878, 964, 1205, 1317, 1446, 1756, 2169, 2195, 2410, 2634, 2892, 3615, 3951, 4338, 4390, 4820, 5268, 6585, 7230, 7902, 8676, 8780, 10845, 13170, 14460, 15804, 19755, 21690, 26340, 39510, 43380, 79020, 105799, 211598, 317397, 423196, 528995, 634794, 952191, 1057990, 1269588, 1586985, 1904382, 2115980, 3173970, 3808764, 4760955, 6347940, 9521910, 19043820]

約数ペア:

[(1, 19043820), (2, 9521910), (3, 6347940), (4, 4760955), (5, 3808764), (6, 3173970), (9, 2115980), (10, 1904382), (12, 1586985), (15, 1269588), (18, 1057990), (20, 952191), (30, 634794), (36, 528995), (45, 423196), (60, 317397), (90, 211598), (180, 105799), (241, 79020), (439, 43380), (482, 39510), (723, 26340), (878, 21690), (964, 19755), (1205, 15804), (1317, 14460), (1446, 13170), (1756, 10845), (2169, 8780), (2195, 8676), (2410, 7902), (2634, 7230), (2892, 6585), (3615, 5268), (3951, 4820), (4338, 4390)]