18191110

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:229

約数の個数: 64

約数和(自身を含む): 39481344

約数和(自身を除く): 21290234

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 83, 101, 155, 166, 202, 217, 310, 415, 434, 505, 581, 707, 830, 1010, 1085, 1162, 1414, 2170, 2573, 2905, 3131, 3535, 5146, 5810, 6262, 7070, 8383, 12865, 15655, 16766, 18011, 21917, 25730, 31310, 36022, 41915, 43834, 58681, 83830, 90055, 109585, 117362, 180110, 219170, 259873, 293405, 519746, 586810, 1299365, 1819111, 2598730, 3638222, 9095555, 18191110]

約数ペア:

[(1, 18191110), (2, 9095555), (5, 3638222), (7, 2598730), (10, 1819111), (14, 1299365), (31, 586810), (35, 519746), (62, 293405), (70, 259873), (83, 219170), (101, 180110), (155, 117362), (166, 109585), (202, 90055), (217, 83830), (310, 58681), (415, 43834), (434, 41915), (505, 36022), (581, 31310), (707, 25730), (830, 21917), (1010, 18011), (1085, 16766), (1162, 15655), (1414, 12865), (2170, 8383), (2573, 7070), (2905, 6262), (3131, 5810), (3535, 5146)]