18557460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{787}}^1$

素因数の和:933

約数の個数: 72

約数和(自身を含む): 56792736

約数和(自身を除く): 38235276

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 131, 180, 262, 393, 524, 655, 786, 787, 1179, 1310, 1572, 1574, 1965, 2358, 2361, 2620, 3148, 3930, 3935, 4716, 4722, 5895, 7083, 7860, 7870, 9444, 11790, 11805, 14166, 15740, 23580, 23610, 28332, 35415, 47220, 70830, 103097, 141660, 206194, 309291, 412388, 515485, 618582, 927873, 1030970, 1237164, 1546455, 1855746, 2061940, 3092910, 3711492, 4639365, 6185820, 9278730, 18557460]

約数ペア:

[(1, 18557460), (2, 9278730), (3, 6185820), (4, 4639365), (5, 3711492), (6, 3092910), (9, 2061940), (10, 1855746), (12, 1546455), (15, 1237164), (18, 1030970), (20, 927873), (30, 618582), (36, 515485), (45, 412388), (60, 309291), (90, 206194), (131, 141660), (180, 103097), (262, 70830), (393, 47220), (524, 35415), (655, 28332), (786, 23610), (787, 23580), (1179, 15740), (1310, 14166), (1572, 11805), (1574, 11790), (1965, 9444), (2358, 7870), (2361, 7860), (2620, 7083), (3148, 5895), (3930, 4722), (3935, 4716)]