19527660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{691}}^1$

素因数の和:863

約数の個数: 72

約数和(自身を含む): 59697456

約数和(自身を除く): 40169796

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 157, 180, 314, 471, 628, 691, 785, 942, 1382, 1413, 1570, 1884, 2073, 2355, 2764, 2826, 3140, 3455, 4146, 4710, 5652, 6219, 6910, 7065, 8292, 9420, 10365, 12438, 13820, 14130, 20730, 24876, 28260, 31095, 41460, 62190, 108487, 124380, 216974, 325461, 433948, 542435, 650922, 976383, 1084870, 1301844, 1627305, 1952766, 2169740, 3254610, 3905532, 4881915, 6509220, 9763830, 19527660]

約数ペア:

[(1, 19527660), (2, 9763830), (3, 6509220), (4, 4881915), (5, 3905532), (6, 3254610), (9, 2169740), (10, 1952766), (12, 1627305), (15, 1301844), (18, 1084870), (20, 976383), (30, 650922), (36, 542435), (45, 433948), (60, 325461), (90, 216974), (157, 124380), (180, 108487), (314, 62190), (471, 41460), (628, 31095), (691, 28260), (785, 24876), (942, 20730), (1382, 14130), (1413, 13820), (1570, 12438), (1884, 10365), (2073, 9420), (2355, 8292), (2764, 7065), (2826, 6910), (3140, 6219), (3455, 5652), (4146, 4710)]