19215960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2027}}^1$

素因数の和:2120

約数の個数: 64

約数和(自身を含む): 58406400

約数和(自身を除く): 39190440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 79, 120, 158, 237, 316, 395, 474, 632, 790, 948, 1185, 1580, 1896, 2027, 2370, 3160, 4054, 4740, 6081, 8108, 9480, 10135, 12162, 16216, 20270, 24324, 30405, 40540, 48648, 60810, 81080, 121620, 160133, 243240, 320266, 480399, 640532, 800665, 960798, 1281064, 1601330, 1921596, 2401995, 3202660, 3843192, 4803990, 6405320, 9607980, 19215960]

約数ペア:

[(1, 19215960), (2, 9607980), (3, 6405320), (4, 4803990), (5, 3843192), (6, 3202660), (8, 2401995), (10, 1921596), (12, 1601330), (15, 1281064), (20, 960798), (24, 800665), (30, 640532), (40, 480399), (60, 320266), (79, 243240), (120, 160133), (158, 121620), (237, 81080), (316, 60810), (395, 48648), (474, 40540), (632, 30405), (790, 24324), (948, 20270), (1185, 16216), (1580, 12162), (1896, 10135), (2027, 9480), (2370, 8108), (3160, 6081), (4054, 4740)]