19438510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{521}}^1$

素因数の和:589

約数の個数: 64

約数和(自身を含む): 44198784

約数和(自身を除く): 24760274

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 41, 65, 70, 82, 91, 130, 182, 205, 287, 410, 455, 521, 533, 574, 910, 1042, 1066, 1435, 2605, 2665, 2870, 3647, 3731, 5210, 5330, 6773, 7294, 7462, 13546, 18235, 18655, 21361, 33865, 36470, 37310, 42722, 47411, 67730, 94822, 106805, 149527, 213610, 237055, 277693, 299054, 474110, 555386, 747635, 1388465, 1495270, 1943851, 2776930, 3887702, 9719255, 19438510]

約数ペア:

[(1, 19438510), (2, 9719255), (5, 3887702), (7, 2776930), (10, 1943851), (13, 1495270), (14, 1388465), (26, 747635), (35, 555386), (41, 474110), (65, 299054), (70, 277693), (82, 237055), (91, 213610), (130, 149527), (182, 106805), (205, 94822), (287, 67730), (410, 47411), (455, 42722), (521, 37310), (533, 36470), (574, 33865), (910, 21361), (1042, 18655), (1066, 18235), (1435, 13546), (2605, 7462), (2665, 7294), (2870, 6773), (3647, 5330), (3731, 5210)]