19889300

素因数分解:

$2^2\times 5^2\times {\mathrm{103}}^1\times {\mathrm{1931}}^1$

素因数の和:2048

約数の個数: 36

約数和(自身を含む): 43601376

約数和(自身を除く): 23712076

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 103, 206, 412, 515, 1030, 1931, 2060, 2575, 3862, 5150, 7724, 9655, 10300, 19310, 38620, 48275, 96550, 193100, 198893, 397786, 795572, 994465, 1988930, 3977860, 4972325, 9944650, 19889300]

約数ペア:

[(1, 19889300), (2, 9944650), (4, 4972325), (5, 3977860), (10, 1988930), (20, 994465), (25, 795572), (50, 397786), (100, 198893), (103, 193100), (206, 96550), (412, 48275), (515, 38620), (1030, 19310), (1931, 10300), (2060, 9655), (2575, 7724), (3862, 5150)]