19305260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1811}}^1$

素因数の和:1874

約数の個数: 48

約数和(自身を含む): 44749152

約数和(自身を除く): 25443892

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 205, 260, 410, 533, 820, 1066, 1811, 2132, 2665, 3622, 5330, 7244, 9055, 10660, 18110, 23543, 36220, 47086, 74251, 94172, 117715, 148502, 235430, 297004, 371255, 470860, 742510, 965263, 1485020, 1930526, 3861052, 4826315, 9652630, 19305260]

約数ペア:

[(1, 19305260), (2, 9652630), (4, 4826315), (5, 3861052), (10, 1930526), (13, 1485020), (20, 965263), (26, 742510), (41, 470860), (52, 371255), (65, 297004), (82, 235430), (130, 148502), (164, 117715), (205, 94172), (260, 74251), (410, 47086), (533, 36220), (820, 23543), (1066, 18110), (1811, 10660), (2132, 9055), (2665, 7244), (3622, 5330)]