19215660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10331}}^1$

素因数の和:10374

約数の個数: 48

約数和(自身を含む): 55544832

約数和(自身を除く): 36329172

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 10331, 20662, 30993, 41324, 51655, 61986, 103310, 123972, 154965, 206620, 309930, 320261, 619860, 640522, 960783, 1281044, 1601305, 1921566, 3202610, 3843132, 4803915, 6405220, 9607830, 19215660]

約数ペア:

[(1, 19215660), (2, 9607830), (3, 6405220), (4, 4803915), (5, 3843132), (6, 3202610), (10, 1921566), (12, 1601305), (15, 1281044), (20, 960783), (30, 640522), (31, 619860), (60, 320261), (62, 309930), (93, 206620), (124, 154965), (155, 123972), (186, 103310), (310, 61986), (372, 51655), (465, 41324), (620, 30993), (930, 20662), (1860, 10331)]