18884760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{241}}^1\times {\mathrm{653}}^1$

素因数の和:908

約数の個数: 64

約数和(自身を含む): 56976480

約数和(自身を除く): 38091720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 241, 482, 653, 723, 964, 1205, 1306, 1446, 1928, 1959, 2410, 2612, 2892, 3265, 3615, 3918, 4820, 5224, 5784, 6530, 7230, 7836, 9640, 9795, 13060, 14460, 15672, 19590, 26120, 28920, 39180, 78360, 157373, 314746, 472119, 629492, 786865, 944238, 1258984, 1573730, 1888476, 2360595, 3147460, 3776952, 4721190, 6294920, 9442380, 18884760]

約数ペア:

[(1, 18884760), (2, 9442380), (3, 6294920), (4, 4721190), (5, 3776952), (6, 3147460), (8, 2360595), (10, 1888476), (12, 1573730), (15, 1258984), (20, 944238), (24, 786865), (30, 629492), (40, 472119), (60, 314746), (120, 157373), (241, 78360), (482, 39180), (653, 28920), (723, 26120), (964, 19590), (1205, 15672), (1306, 14460), (1446, 13060), (1928, 9795), (1959, 9640), (2410, 7836), (2612, 7230), (2892, 6530), (3265, 5784), (3615, 5224), (3918, 4820)]