19031440

素因数分解:

$2^4\times 5^1\times {\mathrm{233}}^1\times {\mathrm{1021}}^1$

素因数の和:1267

約数の個数: 40

約数和(自身を含む): 44481528

約数和(自身を除く): 25450088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 233, 466, 932, 1021, 1165, 1864, 2042, 2330, 3728, 4084, 4660, 5105, 8168, 9320, 10210, 16336, 18640, 20420, 40840, 81680, 237893, 475786, 951572, 1189465, 1903144, 2378930, 3806288, 4757860, 9515720, 19031440]

約数ペア:

[(1, 19031440), (2, 9515720), (4, 4757860), (5, 3806288), (8, 2378930), (10, 1903144), (16, 1189465), (20, 951572), (40, 475786), (80, 237893), (233, 81680), (466, 40840), (932, 20420), (1021, 18640), (1165, 16336), (1864, 10210), (2042, 9320), (2330, 8168), (3728, 5105), (4084, 4660)]