19642272

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{15739}}^1$

素因数の和:15765

約数の個数: 48

約数和(自身を含む): 55530720

約数和(自身を除く): 35888448

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 208, 312, 416, 624, 1248, 15739, 31478, 47217, 62956, 94434, 125912, 188868, 204607, 251824, 377736, 409214, 503648, 613821, 755472, 818428, 1227642, 1510944, 1636856, 2455284, 3273712, 4910568, 6547424, 9821136, 19642272]

約数ペア:

[(1, 19642272), (2, 9821136), (3, 6547424), (4, 4910568), (6, 3273712), (8, 2455284), (12, 1636856), (13, 1510944), (16, 1227642), (24, 818428), (26, 755472), (32, 613821), (39, 503648), (48, 409214), (52, 377736), (78, 251824), (96, 204607), (104, 188868), (156, 125912), (208, 94434), (312, 62956), (416, 47217), (624, 31478), (1248, 15739)]