18789660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2221}}^1$

素因数の和:2283

約数の個数: 72

約数和(自身を含む): 58234176

約数和(自身を除く): 39444516

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 47, 60, 90, 94, 141, 180, 188, 235, 282, 423, 470, 564, 705, 846, 940, 1410, 1692, 2115, 2221, 2820, 4230, 4442, 6663, 8460, 8884, 11105, 13326, 19989, 22210, 26652, 33315, 39978, 44420, 66630, 79956, 99945, 104387, 133260, 199890, 208774, 313161, 399780, 417548, 521935, 626322, 939483, 1043870, 1252644, 1565805, 1878966, 2087740, 3131610, 3757932, 4697415, 6263220, 9394830, 18789660]

約数ペア:

[(1, 18789660), (2, 9394830), (3, 6263220), (4, 4697415), (5, 3757932), (6, 3131610), (9, 2087740), (10, 1878966), (12, 1565805), (15, 1252644), (18, 1043870), (20, 939483), (30, 626322), (36, 521935), (45, 417548), (47, 399780), (60, 313161), (90, 208774), (94, 199890), (141, 133260), (180, 104387), (188, 99945), (235, 79956), (282, 66630), (423, 44420), (470, 39978), (564, 33315), (705, 26652), (846, 22210), (940, 19989), (1410, 13326), (1692, 11105), (2115, 8884), (2221, 8460), (2820, 6663), (4230, 4442)]