18998990104

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{269}}^1\times {\mathrm{8167}}^1$

素因数の和:8512

約数の個数: 64

約数和(自身を含む): 38108620800

約数和(自身を除く): 19109630696

約数列:

[1, 2, 4, 8, 23, 46, 47, 92, 94, 184, 188, 269, 376, 538, 1076, 1081, 2152, 2162, 4324, 6187, 8167, 8648, 12374, 12643, 16334, 24748, 25286, 32668, 49496, 50572, 65336, 101144, 187841, 290789, 375682, 383849, 581578, 751364, 767698, 1163156, 1502728, 1535396, 2196923, 2326312, 3070792, 4393846, 8787692, 8828527, 17575384, 17657054, 35314108, 50529229, 70628216, 101058458, 103255381, 202116916, 206510762, 404233832, 413021524, 826043048, 2374873763, 4749747526, 9499495052, 18998990104]

約数ペア:

[(1, 18998990104), (2, 9499495052), (4, 4749747526), (8, 2374873763), (23, 826043048), (46, 413021524), (47, 404233832), (92, 206510762), (94, 202116916), (184, 103255381), (188, 101058458), (269, 70628216), (376, 50529229), (538, 35314108), (1076, 17657054), (1081, 17575384), (2152, 8828527), (2162, 8787692), (4324, 4393846), (6187, 3070792), (8167, 2326312), (8648, 2196923), (12374, 1535396), (12643, 1502728), (16334, 1163156), (24748, 767698), (25286, 751364), (32668, 581578), (49496, 383849), (50572, 375682), (65336, 290789), (101144, 187841)]