19028420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{653}}^1$

素因数の和:740

約数の個数: 48

約数和(自身を含む): 42190848

約数和(自身を除く): 23162428

約数列:

[1, 2, 4, 5, 10, 20, 31, 47, 62, 94, 124, 155, 188, 235, 310, 470, 620, 653, 940, 1306, 1457, 2612, 2914, 3265, 5828, 6530, 7285, 13060, 14570, 20243, 29140, 30691, 40486, 61382, 80972, 101215, 122764, 153455, 202430, 306910, 404860, 613820, 951421, 1902842, 3805684, 4757105, 9514210, 19028420]

約数ペア:

[(1, 19028420), (2, 9514210), (4, 4757105), (5, 3805684), (10, 1902842), (20, 951421), (31, 613820), (47, 404860), (62, 306910), (94, 202430), (124, 153455), (155, 122764), (188, 101215), (235, 80972), (310, 61382), (470, 40486), (620, 30691), (653, 29140), (940, 20243), (1306, 14570), (1457, 13060), (2612, 7285), (2914, 6530), (3265, 5828)]