19984512

素因数分解:

$2^7\times 3^1\times {\mathrm{71}}^1\times {\mathrm{733}}^1$

素因数の和:821

約数の個数: 64

約数和(自身を含む): 53904960

約数和(自身を除く): 33920448

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 71, 96, 128, 142, 192, 213, 284, 384, 426, 568, 733, 852, 1136, 1466, 1704, 2199, 2272, 2932, 3408, 4398, 4544, 5864, 6816, 8796, 9088, 11728, 13632, 17592, 23456, 27264, 35184, 46912, 52043, 70368, 93824, 104086, 140736, 156129, 208172, 281472, 312258, 416344, 624516, 832688, 1249032, 1665376, 2498064, 3330752, 4996128, 6661504, 9992256, 19984512]

約数ペア:

[(1, 19984512), (2, 9992256), (3, 6661504), (4, 4996128), (6, 3330752), (8, 2498064), (12, 1665376), (16, 1249032), (24, 832688), (32, 624516), (48, 416344), (64, 312258), (71, 281472), (96, 208172), (128, 156129), (142, 140736), (192, 104086), (213, 93824), (284, 70368), (384, 52043), (426, 46912), (568, 35184), (733, 27264), (852, 23456), (1136, 17592), (1466, 13632), (1704, 11728), (2199, 9088), (2272, 8796), (2932, 6816), (3408, 5864), (4398, 4544)]