18526920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2531}}^1$

素因数の和:2606

約数の個数: 64

約数和(自身を含む): 56514240

約数和(自身を除く): 37987320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 120, 122, 183, 244, 305, 366, 488, 610, 732, 915, 1220, 1464, 1830, 2440, 2531, 3660, 5062, 7320, 7593, 10124, 12655, 15186, 20248, 25310, 30372, 37965, 50620, 60744, 75930, 101240, 151860, 154391, 303720, 308782, 463173, 617564, 771955, 926346, 1235128, 1543910, 1852692, 2315865, 3087820, 3705384, 4631730, 6175640, 9263460, 18526920]

約数ペア:

[(1, 18526920), (2, 9263460), (3, 6175640), (4, 4631730), (5, 3705384), (6, 3087820), (8, 2315865), (10, 1852692), (12, 1543910), (15, 1235128), (20, 926346), (24, 771955), (30, 617564), (40, 463173), (60, 308782), (61, 303720), (120, 154391), (122, 151860), (183, 101240), (244, 75930), (305, 60744), (366, 50620), (488, 37965), (610, 30372), (732, 25310), (915, 20248), (1220, 15186), (1464, 12655), (1830, 10124), (2440, 7593), (2531, 7320), (3660, 5062)]