19194720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{39989}}^1$

素因数の和:40007

約数の個数: 48

約数和(自身を含む): 60464880

約数和(自身を除く): 41270160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 39989, 79978, 119967, 159956, 199945, 239934, 319912, 399890, 479868, 599835, 639824, 799780, 959736, 1199670, 1279648, 1599560, 1919472, 2399340, 3199120, 3838944, 4798680, 6398240, 9597360, 19194720]

約数ペア:

[(1, 19194720), (2, 9597360), (3, 6398240), (4, 4798680), (5, 3838944), (6, 3199120), (8, 2399340), (10, 1919472), (12, 1599560), (15, 1279648), (16, 1199670), (20, 959736), (24, 799780), (30, 639824), (32, 599835), (40, 479868), (48, 399890), (60, 319912), (80, 239934), (96, 199945), (120, 159956), (160, 119967), (240, 79978), (480, 39989)]