18964530

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1801}}^1$

素因数の和:1833

約数の個数: 80

約数和(自身を含む): 54946584

約数和(自身を除く): 35982054

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 81, 90, 117, 130, 135, 162, 195, 234, 270, 351, 390, 405, 585, 702, 810, 1053, 1170, 1755, 1801, 2106, 3510, 3602, 5265, 5403, 9005, 10530, 10806, 16209, 18010, 23413, 27015, 32418, 46826, 48627, 54030, 70239, 81045, 97254, 117065, 140478, 145881, 162090, 210717, 234130, 243135, 291762, 351195, 421434, 486270, 632151, 702390, 729405, 1053585, 1264302, 1458810, 1896453, 2107170, 3160755, 3792906, 6321510, 9482265, 18964530]

約数ペア:

[(1, 18964530), (2, 9482265), (3, 6321510), (5, 3792906), (6, 3160755), (9, 2107170), (10, 1896453), (13, 1458810), (15, 1264302), (18, 1053585), (26, 729405), (27, 702390), (30, 632151), (39, 486270), (45, 421434), (54, 351195), (65, 291762), (78, 243135), (81, 234130), (90, 210717), (117, 162090), (130, 145881), (135, 140478), (162, 117065), (195, 97254), (234, 81045), (270, 70239), (351, 54030), (390, 48627), (405, 46826), (585, 32418), (702, 27015), (810, 23413), (1053, 18010), (1170, 16209), (1755, 10806), (1801, 10530), (2106, 9005), (3510, 5403), (3602, 5265)]