19615770

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{397}}^1$

素因数の和:477

約数の個数: 80

約数和(自身を含む): 53744328

約数和(自身を除く): 34128558

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 61, 81, 90, 122, 135, 162, 183, 270, 305, 366, 397, 405, 549, 610, 794, 810, 915, 1098, 1191, 1647, 1830, 1985, 2382, 2745, 3294, 3573, 3970, 4941, 5490, 5955, 7146, 8235, 9882, 10719, 11910, 16470, 17865, 21438, 24217, 24705, 32157, 35730, 48434, 49410, 53595, 64314, 72651, 107190, 121085, 145302, 160785, 217953, 242170, 321570, 363255, 435906, 653859, 726510, 1089765, 1307718, 1961577, 2179530, 3269295, 3923154, 6538590, 9807885, 19615770]

約数ペア:

[(1, 19615770), (2, 9807885), (3, 6538590), (5, 3923154), (6, 3269295), (9, 2179530), (10, 1961577), (15, 1307718), (18, 1089765), (27, 726510), (30, 653859), (45, 435906), (54, 363255), (61, 321570), (81, 242170), (90, 217953), (122, 160785), (135, 145302), (162, 121085), (183, 107190), (270, 72651), (305, 64314), (366, 53595), (397, 49410), (405, 48434), (549, 35730), (610, 32157), (794, 24705), (810, 24217), (915, 21438), (1098, 17865), (1191, 16470), (1647, 11910), (1830, 10719), (1985, 9882), (2382, 8235), (2745, 7146), (3294, 5955), (3573, 5490), (3970, 4941)]