19853580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{241}}^1\times {\mathrm{1373}}^1$

素因数の和:1626

約数の個数: 48

約数和(自身を含む): 55861344

約数和(自身を除く): 36007764

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 241, 482, 723, 964, 1205, 1373, 1446, 2410, 2746, 2892, 3615, 4119, 4820, 5492, 6865, 7230, 8238, 13730, 14460, 16476, 20595, 27460, 41190, 82380, 330893, 661786, 992679, 1323572, 1654465, 1985358, 3308930, 3970716, 4963395, 6617860, 9926790, 19853580]

約数ペア:

[(1, 19853580), (2, 9926790), (3, 6617860), (4, 4963395), (5, 3970716), (6, 3308930), (10, 1985358), (12, 1654465), (15, 1323572), (20, 992679), (30, 661786), (60, 330893), (241, 82380), (482, 41190), (723, 27460), (964, 20595), (1205, 16476), (1373, 14460), (1446, 13730), (2410, 8238), (2746, 7230), (2892, 6865), (3615, 5492), (4119, 4820)]