19174130

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^2\times {\mathrm{61}}^1$

素因数の和:171

約数の個数: 48

約数和(自身を含む): 38026584

約数和(自身を除く): 18852454

約数列:

[1, 2, 5, 10, 17, 34, 43, 61, 85, 86, 122, 170, 215, 305, 430, 610, 731, 1037, 1462, 1849, 2074, 2623, 3655, 3698, 5185, 5246, 7310, 9245, 10370, 13115, 18490, 26230, 31433, 44591, 62866, 89182, 112789, 157165, 222955, 225578, 314330, 445910, 563945, 1127890, 1917413, 3834826, 9587065, 19174130]

約数ペア:

[(1, 19174130), (2, 9587065), (5, 3834826), (10, 1917413), (17, 1127890), (34, 563945), (43, 445910), (61, 314330), (85, 225578), (86, 222955), (122, 157165), (170, 112789), (215, 89182), (305, 62866), (430, 44591), (610, 31433), (731, 26230), (1037, 18490), (1462, 13115), (1849, 10370), (2074, 9245), (2623, 7310), (3655, 5246), (3698, 5185)]