19524140

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{163}}^1$

素因数の和:338

約数の個数: 48

約数和(自身を含む): 42402528

約数和(自身を除く): 22878388

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 113, 163, 212, 226, 265, 326, 452, 530, 565, 652, 815, 1060, 1130, 1630, 2260, 3260, 5989, 8639, 11978, 17278, 18419, 23956, 29945, 34556, 36838, 43195, 59890, 73676, 86390, 92095, 119780, 172780, 184190, 368380, 976207, 1952414, 3904828, 4881035, 9762070, 19524140]

約数ペア:

[(1, 19524140), (2, 9762070), (4, 4881035), (5, 3904828), (10, 1952414), (20, 976207), (53, 368380), (106, 184190), (113, 172780), (163, 119780), (212, 92095), (226, 86390), (265, 73676), (326, 59890), (452, 43195), (530, 36838), (565, 34556), (652, 29945), (815, 23956), (1060, 18419), (1130, 17278), (1630, 11978), (2260, 8639), (3260, 5989)]