19720350

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{3371}}^1$

素因数の和:3402

約数の個数: 72

約数和(自身を含む): 57074472

約数和(自身を除く): 37354122

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 30, 39, 45, 50, 65, 75, 78, 90, 117, 130, 150, 195, 225, 234, 325, 390, 450, 585, 650, 975, 1170, 1950, 2925, 3371, 5850, 6742, 10113, 16855, 20226, 30339, 33710, 43823, 50565, 60678, 84275, 87646, 101130, 131469, 151695, 168550, 219115, 252825, 262938, 303390, 394407, 438230, 505650, 657345, 758475, 788814, 1095575, 1314690, 1516950, 1972035, 2191150, 3286725, 3944070, 6573450, 9860175, 19720350]

約数ペア:

[(1, 19720350), (2, 9860175), (3, 6573450), (5, 3944070), (6, 3286725), (9, 2191150), (10, 1972035), (13, 1516950), (15, 1314690), (18, 1095575), (25, 788814), (26, 758475), (30, 657345), (39, 505650), (45, 438230), (50, 394407), (65, 303390), (75, 262938), (78, 252825), (90, 219115), (117, 168550), (130, 151695), (150, 131469), (195, 101130), (225, 87646), (234, 84275), (325, 60678), (390, 50565), (450, 43823), (585, 33710), (650, 30339), (975, 20226), (1170, 16855), (1950, 10113), (2925, 6742), (3371, 5850)]