18894804

素因数分解:

$2^2\times 3^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{331}}^1$

素因数の和:476

約数の個数: 48

約数和(自身を含む): 45513216

約数和(自身を除く): 26618412

約数列:

[1, 2, 3, 4, 6, 12, 67, 71, 134, 142, 201, 213, 268, 284, 331, 402, 426, 662, 804, 852, 993, 1324, 1986, 3972, 4757, 9514, 14271, 19028, 22177, 23501, 28542, 44354, 47002, 57084, 66531, 70503, 88708, 94004, 133062, 141006, 266124, 282012, 1574567, 3149134, 4723701, 6298268, 9447402, 18894804]

約数ペア:

[(1, 18894804), (2, 9447402), (3, 6298268), (4, 4723701), (6, 3149134), (12, 1574567), (67, 282012), (71, 266124), (134, 141006), (142, 133062), (201, 94004), (213, 88708), (268, 70503), (284, 66531), (331, 57084), (402, 47002), (426, 44354), (662, 28542), (804, 23501), (852, 22177), (993, 19028), (1324, 14271), (1986, 9514), (3972, 4757)]