19501320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{997}}^1$

素因数の和:1174

約数の個数: 64

約数和(自身を含む): 58921920

約数和(自身を除く): 39420600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 163, 326, 489, 652, 815, 978, 997, 1304, 1630, 1956, 1994, 2445, 2991, 3260, 3912, 3988, 4890, 4985, 5982, 6520, 7976, 9780, 9970, 11964, 14955, 19560, 19940, 23928, 29910, 39880, 59820, 119640, 162511, 325022, 487533, 650044, 812555, 975066, 1300088, 1625110, 1950132, 2437665, 3250220, 3900264, 4875330, 6500440, 9750660, 19501320]

約数ペア:

[(1, 19501320), (2, 9750660), (3, 6500440), (4, 4875330), (5, 3900264), (6, 3250220), (8, 2437665), (10, 1950132), (12, 1625110), (15, 1300088), (20, 975066), (24, 812555), (30, 650044), (40, 487533), (60, 325022), (120, 162511), (163, 119640), (326, 59820), (489, 39880), (652, 29910), (815, 23928), (978, 19940), (997, 19560), (1304, 14955), (1630, 11964), (1956, 9970), (1994, 9780), (2445, 7976), (2991, 6520), (3260, 5982), (3912, 4985), (3988, 4890)]