18660850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1511}}^1$

素因数の和:1555

約数の個数: 48

約数和(自身を含む): 39372480

約数和(自身を除く): 20711630

約数列:

[1, 2, 5, 10, 13, 19, 25, 26, 38, 50, 65, 95, 130, 190, 247, 325, 475, 494, 650, 950, 1235, 1511, 2470, 3022, 6175, 7555, 12350, 15110, 19643, 28709, 37775, 39286, 57418, 75550, 98215, 143545, 196430, 287090, 373217, 491075, 717725, 746434, 982150, 1435450, 1866085, 3732170, 9330425, 18660850]

約数ペア:

[(1, 18660850), (2, 9330425), (5, 3732170), (10, 1866085), (13, 1435450), (19, 982150), (25, 746434), (26, 717725), (38, 491075), (50, 373217), (65, 287090), (95, 196430), (130, 143545), (190, 98215), (247, 75550), (325, 57418), (475, 39286), (494, 37775), (650, 28709), (950, 19643), (1235, 15110), (1511, 12350), (2470, 7555), (3022, 6175)]