17867980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3617}}^1$

素因数の和:3658

約数の個数: 48

約数和(自身を含む): 42547680

約数和(自身を除く): 24679700

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 3617, 4940, 7234, 14468, 18085, 36170, 47021, 68723, 72340, 94042, 137446, 188084, 235105, 274892, 343615, 470210, 687230, 893399, 940420, 1374460, 1786798, 3573596, 4466995, 8933990, 17867980]

約数ペア:

[(1, 17867980), (2, 8933990), (4, 4466995), (5, 3573596), (10, 1786798), (13, 1374460), (19, 940420), (20, 893399), (26, 687230), (38, 470210), (52, 343615), (65, 274892), (76, 235105), (95, 188084), (130, 137446), (190, 94042), (247, 72340), (260, 68723), (380, 47021), (494, 36170), (988, 18085), (1235, 14468), (2470, 7234), (3617, 4940)]