19031390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{4457}}^1$

素因数の和:4532

約数の個数: 32

約数和(自身を含む): 39801024

約数和(自身を除く): 20769634

約数列:

[1, 2, 5, 7, 10, 14, 35, 61, 70, 122, 305, 427, 610, 854, 2135, 4270, 4457, 8914, 22285, 31199, 44570, 62398, 155995, 271877, 311990, 543754, 1359385, 1903139, 2718770, 3806278, 9515695, 19031390]

約数ペア:

[(1, 19031390), (2, 9515695), (5, 3806278), (7, 2718770), (10, 1903139), (14, 1359385), (35, 543754), (61, 311990), (70, 271877), (122, 155995), (305, 62398), (427, 44570), (610, 31199), (854, 22285), (2135, 8914), (4270, 4457)]