20171912328

素因数分解:

$2^3\times 3^3\times {\mathrm{47}}^1\times {\mathrm{1986989}}^1$

素因数の和:1987051

約数の個数: 64

約数和(自身を含む): 57225312000

約数和(自身を除く): 37053399672

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 47, 54, 72, 94, 108, 141, 188, 216, 282, 376, 423, 564, 846, 1128, 1269, 1692, 2538, 3384, 5076, 10152, 1986989, 3973978, 5960967, 7947956, 11921934, 15895912, 17882901, 23843868, 35765802, 47687736, 53648703, 71531604, 93388483, 107297406, 143063208, 186776966, 214594812, 280165449, 373553932, 429189624, 560330898, 747107864, 840496347, 1120661796, 1680992694, 2241323592, 2521489041, 3361985388, 5042978082, 6723970776, 10085956164, 20171912328]

約数ペア:

[(1, 20171912328), (2, 10085956164), (3, 6723970776), (4, 5042978082), (6, 3361985388), (8, 2521489041), (9, 2241323592), (12, 1680992694), (18, 1120661796), (24, 840496347), (27, 747107864), (36, 560330898), (47, 429189624), (54, 373553932), (72, 280165449), (94, 214594812), (108, 186776966), (141, 143063208), (188, 107297406), (216, 93388483), (282, 71531604), (376, 53648703), (423, 47687736), (564, 35765802), (846, 23843868), (1128, 17882901), (1269, 15895912), (1692, 11921934), (2538, 7947956), (3384, 5960967), (5076, 3973978), (10152, 1986989)]