18900744

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{229}}^1$

素因数の和:438

約数の個数: 64

約数和(自身を含む): 50232000

約数和(自身を除く): 31331256

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 114, 152, 181, 228, 229, 362, 456, 458, 543, 687, 724, 916, 1086, 1374, 1448, 1832, 2172, 2748, 3439, 4344, 4351, 5496, 6878, 8702, 10317, 13053, 13756, 17404, 20634, 26106, 27512, 34808, 41268, 41449, 52212, 82536, 82898, 104424, 124347, 165796, 248694, 331592, 497388, 787531, 994776, 1575062, 2362593, 3150124, 4725186, 6300248, 9450372, 18900744]

約数ペア:

[(1, 18900744), (2, 9450372), (3, 6300248), (4, 4725186), (6, 3150124), (8, 2362593), (12, 1575062), (19, 994776), (24, 787531), (38, 497388), (57, 331592), (76, 248694), (114, 165796), (152, 124347), (181, 104424), (228, 82898), (229, 82536), (362, 52212), (456, 41449), (458, 41268), (543, 34808), (687, 27512), (724, 26106), (916, 20634), (1086, 17404), (1374, 13756), (1448, 13053), (1832, 10317), (2172, 8702), (2748, 6878), (3439, 5496), (4344, 4351)]