19890270

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3623}}^1$

素因数の和:3697

約数の個数: 48

約数和(自身を含む): 52576992

約数和(自身を除く): 32686722

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 61, 90, 122, 183, 305, 366, 549, 610, 915, 1098, 1830, 2745, 3623, 5490, 7246, 10869, 18115, 21738, 32607, 36230, 54345, 65214, 108690, 163035, 221003, 326070, 442006, 663009, 1105015, 1326018, 1989027, 2210030, 3315045, 3978054, 6630090, 9945135, 19890270]

約数ペア:

[(1, 19890270), (2, 9945135), (3, 6630090), (5, 3978054), (6, 3315045), (9, 2210030), (10, 1989027), (15, 1326018), (18, 1105015), (30, 663009), (45, 442006), (61, 326070), (90, 221003), (122, 163035), (183, 108690), (305, 65214), (366, 54345), (549, 36230), (610, 32607), (915, 21738), (1098, 18115), (1830, 10869), (2745, 7246), (3623, 5490)]