19493450

素因数分解:

$2^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{257}}^1$

素因数の和:347

約数の個数: 48

約数和(自身を含む): 38294424

約数和(自身を除く): 18800974

約数列:

[1, 2, 5, 10, 25, 37, 41, 50, 74, 82, 185, 205, 257, 370, 410, 514, 925, 1025, 1285, 1517, 1850, 2050, 2570, 3034, 6425, 7585, 9509, 10537, 12850, 15170, 19018, 21074, 37925, 47545, 52685, 75850, 95090, 105370, 237725, 263425, 389869, 475450, 526850, 779738, 1949345, 3898690, 9746725, 19493450]

約数ペア:

[(1, 19493450), (2, 9746725), (5, 3898690), (10, 1949345), (25, 779738), (37, 526850), (41, 475450), (50, 389869), (74, 263425), (82, 237725), (185, 105370), (205, 95090), (257, 75850), (370, 52685), (410, 47545), (514, 37925), (925, 21074), (1025, 19018), (1285, 15170), (1517, 12850), (1850, 10537), (2050, 9509), (2570, 7585), (3034, 6425)]