18104680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1789}}^1$

素因数の和:1834

約数の個数: 64

約数和(自身を含む): 46396800

約数和(自身を除く): 28292120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 184, 220, 230, 253, 440, 460, 506, 920, 1012, 1265, 1789, 2024, 2530, 3578, 5060, 7156, 8945, 10120, 14312, 17890, 19679, 35780, 39358, 41147, 71560, 78716, 82294, 98395, 157432, 164588, 196790, 205735, 329176, 393580, 411470, 452617, 787160, 822940, 905234, 1645880, 1810468, 2263085, 3620936, 4526170, 9052340, 18104680]

約数ペア:

[(1, 18104680), (2, 9052340), (4, 4526170), (5, 3620936), (8, 2263085), (10, 1810468), (11, 1645880), (20, 905234), (22, 822940), (23, 787160), (40, 452617), (44, 411470), (46, 393580), (55, 329176), (88, 205735), (92, 196790), (110, 164588), (115, 157432), (184, 98395), (220, 82294), (230, 78716), (253, 71560), (440, 41147), (460, 39358), (506, 35780), (920, 19679), (1012, 17890), (1265, 14312), (1789, 10120), (2024, 8945), (2530, 7156), (3578, 5060)]