20081898

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{37}}^1$

素因数の和:113

約数の個数: 96

約数和(自身を含む): 50433600

約数和(自身を除く): 30351702

約数列:

[1, 2, 3, 6, 9, 18, 19, 23, 27, 37, 38, 46, 54, 57, 69, 74, 111, 114, 138, 171, 207, 222, 333, 342, 414, 437, 513, 529, 621, 666, 703, 851, 874, 999, 1026, 1058, 1242, 1311, 1406, 1587, 1702, 1998, 2109, 2553, 2622, 3174, 3933, 4218, 4761, 5106, 6327, 7659, 7866, 9522, 10051, 11799, 12654, 14283, 15318, 16169, 18981, 19573, 20102, 22977, 23598, 28566, 30153, 32338, 37962, 39146, 45954, 48507, 58719, 60306, 90459, 97014, 117438, 145521, 176157, 180918, 271377, 291042, 352314, 371887, 436563, 528471, 542754, 743774, 873126, 1056942, 1115661, 2231322, 3346983, 6693966, 10040949, 20081898]

約数ペア:

[(1, 20081898), (2, 10040949), (3, 6693966), (6, 3346983), (9, 2231322), (18, 1115661), (19, 1056942), (23, 873126), (27, 743774), (37, 542754), (38, 528471), (46, 436563), (54, 371887), (57, 352314), (69, 291042), (74, 271377), (111, 180918), (114, 176157), (138, 145521), (171, 117438), (207, 97014), (222, 90459), (333, 60306), (342, 58719), (414, 48507), (437, 45954), (513, 39146), (529, 37962), (621, 32338), (666, 30153), (703, 28566), (851, 23598), (874, 22977), (999, 20102), (1026, 19573), (1058, 18981), (1242, 16169), (1311, 15318), (1406, 14283), (1587, 12654), (1702, 11799), (1998, 10051), (2109, 9522), (2553, 7866), (2622, 7659), (3174, 6327), (3933, 5106), (4218, 4761)]