18913305580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1231}}^1\times {\mathrm{59093}}^1$

素因数の和:60346

約数の個数: 48

約数和(自身を含む): 42808639104

約数和(自身を除く): 23895333524

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1231, 2462, 4924, 6155, 12310, 16003, 24620, 32006, 59093, 64012, 80015, 118186, 160030, 236372, 295465, 320060, 590930, 768209, 1181860, 1536418, 3072836, 3841045, 7682090, 15364180, 72743483, 145486966, 290973932, 363717415, 727434830, 945665279, 1454869660, 1891330558, 3782661116, 4728326395, 9456652790, 18913305580]

約数ペア:

[(1, 18913305580), (2, 9456652790), (4, 4728326395), (5, 3782661116), (10, 1891330558), (13, 1454869660), (20, 945665279), (26, 727434830), (52, 363717415), (65, 290973932), (130, 145486966), (260, 72743483), (1231, 15364180), (2462, 7682090), (4924, 3841045), (6155, 3072836), (12310, 1536418), (16003, 1181860), (24620, 768209), (32006, 590930), (59093, 320060), (64012, 295465), (80015, 236372), (118186, 160030)]