19892210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{9001}}^1$

素因数の和:9038

約数の個数: 32

約数和(自身を含む): 40833072

約数和(自身を除く): 20940862

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 9001, 18002, 45005, 90010, 117013, 153017, 234026, 306034, 585065, 765085, 1170130, 1530170, 1989221, 3978442, 9946105, 19892210]

約数ペア:

[(1, 19892210), (2, 9946105), (5, 3978442), (10, 1989221), (13, 1530170), (17, 1170130), (26, 765085), (34, 585065), (65, 306034), (85, 234026), (130, 153017), (170, 117013), (221, 90010), (442, 45005), (1105, 18002), (2210, 9001)]