18055380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{42989}}^1$

素因数の和:43008

約数の個数: 48

約数和(自身を含む): 57778560

約数和(自身を除く): 39723180

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 42989, 85978, 128967, 171956, 214945, 257934, 300923, 429890, 515868, 601846, 644835, 859780, 902769, 1203692, 1289670, 1504615, 1805538, 2579340, 3009230, 3611076, 4513845, 6018460, 9027690, 18055380]

約数ペア:

[(1, 18055380), (2, 9027690), (3, 6018460), (4, 4513845), (5, 3611076), (6, 3009230), (7, 2579340), (10, 1805538), (12, 1504615), (14, 1289670), (15, 1203692), (20, 902769), (21, 859780), (28, 644835), (30, 601846), (35, 515868), (42, 429890), (60, 300923), (70, 257934), (84, 214945), (105, 171956), (140, 128967), (210, 85978), (420, 42989)]