18886920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12107}}^1$

素因数の和:12134

約数の個数: 64

約数和(自身を含む): 61024320

約数和(自身を除く): 42137400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 12107, 24214, 36321, 48428, 60535, 72642, 96856, 121070, 145284, 157391, 181605, 242140, 290568, 314782, 363210, 472173, 484280, 629564, 726420, 786955, 944346, 1259128, 1452840, 1573910, 1888692, 2360865, 3147820, 3777384, 4721730, 6295640, 9443460, 18886920]

約数ペア:

[(1, 18886920), (2, 9443460), (3, 6295640), (4, 4721730), (5, 3777384), (6, 3147820), (8, 2360865), (10, 1888692), (12, 1573910), (13, 1452840), (15, 1259128), (20, 944346), (24, 786955), (26, 726420), (30, 629564), (39, 484280), (40, 472173), (52, 363210), (60, 314782), (65, 290568), (78, 242140), (104, 181605), (120, 157391), (130, 145284), (156, 121070), (195, 96856), (260, 72642), (312, 60535), (390, 48428), (520, 36321), (780, 24214), (1560, 12107)]