18868710

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4729}}^1$

素因数の和:4765

約数の個数: 64

約数和(自身を含む): 54489600

約数和(自身を除く): 35620890

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 57, 70, 95, 105, 114, 133, 190, 210, 266, 285, 399, 570, 665, 798, 1330, 1995, 3990, 4729, 9458, 14187, 23645, 28374, 33103, 47290, 66206, 70935, 89851, 99309, 141870, 165515, 179702, 198618, 269553, 331030, 449255, 496545, 539106, 628957, 898510, 993090, 1257914, 1347765, 1886871, 2695530, 3144785, 3773742, 6289570, 9434355, 18868710]

約数ペア:

[(1, 18868710), (2, 9434355), (3, 6289570), (5, 3773742), (6, 3144785), (7, 2695530), (10, 1886871), (14, 1347765), (15, 1257914), (19, 993090), (21, 898510), (30, 628957), (35, 539106), (38, 496545), (42, 449255), (57, 331030), (70, 269553), (95, 198618), (105, 179702), (114, 165515), (133, 141870), (190, 99309), (210, 89851), (266, 70935), (285, 66206), (399, 47290), (570, 33103), (665, 28374), (798, 23645), (1330, 14187), (1995, 9458), (3990, 4729)]