19245920

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{3251}}^1$

素因数の和:3303

約数の個数: 48

約数和(自身を含む): 46711728

約数和(自身を除く): 27465808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 74, 80, 148, 160, 185, 296, 370, 592, 740, 1184, 1480, 2960, 3251, 5920, 6502, 13004, 16255, 26008, 32510, 52016, 65020, 104032, 120287, 130040, 240574, 260080, 481148, 520160, 601435, 962296, 1202870, 1924592, 2405740, 3849184, 4811480, 9622960, 19245920]

約数ペア:

[(1, 19245920), (2, 9622960), (4, 4811480), (5, 3849184), (8, 2405740), (10, 1924592), (16, 1202870), (20, 962296), (32, 601435), (37, 520160), (40, 481148), (74, 260080), (80, 240574), (148, 130040), (160, 120287), (185, 104032), (296, 65020), (370, 52016), (592, 32510), (740, 26008), (1184, 16255), (1480, 13004), (2960, 6502), (3251, 5920)]