19893774

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:201

約数の個数: 64

約数和(自身を含む): 44416512

約数和(自身を除く): 24522738

約数列:

[1, 2, 3, 6, 17, 34, 41, 51, 67, 71, 82, 102, 123, 134, 142, 201, 213, 246, 402, 426, 697, 1139, 1207, 1394, 2091, 2278, 2414, 2747, 2911, 3417, 3621, 4182, 4757, 5494, 5822, 6834, 7242, 8241, 8733, 9514, 14271, 16482, 17466, 28542, 46699, 49487, 80869, 93398, 98974, 140097, 148461, 161738, 195037, 242607, 280194, 296922, 390074, 485214, 585111, 1170222, 3315629, 6631258, 9946887, 19893774]

約数ペア:

[(1, 19893774), (2, 9946887), (3, 6631258), (6, 3315629), (17, 1170222), (34, 585111), (41, 485214), (51, 390074), (67, 296922), (71, 280194), (82, 242607), (102, 195037), (123, 161738), (134, 148461), (142, 140097), (201, 98974), (213, 93398), (246, 80869), (402, 49487), (426, 46699), (697, 28542), (1139, 17466), (1207, 16482), (1394, 14271), (2091, 9514), (2278, 8733), (2414, 8241), (2747, 7242), (2911, 6834), (3417, 5822), (3621, 5494), (4182, 4757)]