18832400

素因数分解:

$2^4\times 5^2\times {\mathrm{23}}^2\times {\mathrm{89}}^1$

素因数の和:153

約数の個数: 90

約数和(自身を含む): 47828970

約数和(自身を除く): 28996570

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 40, 46, 50, 80, 89, 92, 100, 115, 178, 184, 200, 230, 356, 368, 400, 445, 460, 529, 575, 712, 890, 920, 1058, 1150, 1424, 1780, 1840, 2047, 2116, 2225, 2300, 2645, 3560, 4094, 4232, 4450, 4600, 5290, 7120, 8188, 8464, 8900, 9200, 10235, 10580, 13225, 16376, 17800, 20470, 21160, 26450, 32752, 35600, 40940, 42320, 47081, 51175, 52900, 81880, 94162, 102350, 105800, 163760, 188324, 204700, 211600, 235405, 376648, 409400, 470810, 753296, 818800, 941620, 1177025, 1883240, 2354050, 3766480, 4708100, 9416200, 18832400]

約数ペア:

[(1, 18832400), (2, 9416200), (4, 4708100), (5, 3766480), (8, 2354050), (10, 1883240), (16, 1177025), (20, 941620), (23, 818800), (25, 753296), (40, 470810), (46, 409400), (50, 376648), (80, 235405), (89, 211600), (92, 204700), (100, 188324), (115, 163760), (178, 105800), (184, 102350), (200, 94162), (230, 81880), (356, 52900), (368, 51175), (400, 47081), (445, 42320), (460, 40940), (529, 35600), (575, 32752), (712, 26450), (890, 21160), (920, 20470), (1058, 17800), (1150, 16376), (1424, 13225), (1780, 10580), (1840, 10235), (2047, 9200), (2116, 8900), (2225, 8464), (2300, 8188), (2645, 7120), (3560, 5290), (4094, 4600), (4232, 4450)]