17920340048

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2081}}^1\times {\mathrm{2179}}^1$

素因数の和:4300

約数の個数: 80

約数和(自身を含む): 39396436800

約数和(自身を除く): 21476096752

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 2081, 2179, 3952, 4162, 4358, 8324, 8716, 16648, 17432, 27053, 28327, 33296, 34864, 39539, 41401, 54106, 56654, 79078, 82802, 108212, 113308, 158156, 165604, 216424, 226616, 316312, 331208, 432848, 453232, 514007, 538213, 632624, 662416, 1028014, 1076426, 2056028, 2152852, 4112056, 4305704, 4534499, 8224112, 8611408, 9068998, 18137996, 36275992, 58948487, 72551984, 86155481, 117896974, 172310962, 235793948, 344621924, 471587896, 689243848, 943175792, 1120021253, 1378487696, 2240042506, 4480085012, 8960170024, 17920340048]

約数ペア:

[(1, 17920340048), (2, 8960170024), (4, 4480085012), (8, 2240042506), (13, 1378487696), (16, 1120021253), (19, 943175792), (26, 689243848), (38, 471587896), (52, 344621924), (76, 235793948), (104, 172310962), (152, 117896974), (208, 86155481), (247, 72551984), (304, 58948487), (494, 36275992), (988, 18137996), (1976, 9068998), (2081, 8611408), (2179, 8224112), (3952, 4534499), (4162, 4305704), (4358, 4112056), (8324, 2152852), (8716, 2056028), (16648, 1076426), (17432, 1028014), (27053, 662416), (28327, 632624), (33296, 538213), (34864, 514007), (39539, 453232), (41401, 432848), (54106, 331208), (56654, 316312), (79078, 226616), (82802, 216424), (108212, 165604), (113308, 158156)]