19688210

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{647}}^1$

素因数の和:850

約数の個数: 32

約数和(自身を含む): 37791360

約数和(自身を除く): 18103150

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 179, 358, 647, 895, 1294, 1790, 3043, 3235, 6086, 6470, 10999, 15215, 21998, 30430, 54995, 109990, 115813, 231626, 579065, 1158130, 1968821, 3937642, 9844105, 19688210]

約数ペア:

[(1, 19688210), (2, 9844105), (5, 3937642), (10, 1968821), (17, 1158130), (34, 579065), (85, 231626), (170, 115813), (179, 109990), (358, 54995), (647, 30430), (895, 21998), (1294, 15215), (1790, 10999), (3043, 6470), (3235, 6086)]