18662930

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1$

素因数の和:483

約数の個数: 64

約数和(自身を含む): 40836096

約数和(自身を除く): 22173166

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 31, 55, 62, 65, 110, 130, 143, 155, 286, 310, 341, 403, 421, 682, 715, 806, 842, 1430, 1705, 2015, 2105, 3410, 4030, 4210, 4433, 4631, 5473, 8866, 9262, 10946, 13051, 22165, 23155, 26102, 27365, 44330, 46310, 54730, 60203, 65255, 120406, 130510, 143561, 169663, 287122, 301015, 339326, 602030, 717805, 848315, 1435610, 1696630, 1866293, 3732586, 9331465, 18662930]

約数ペア:

[(1, 18662930), (2, 9331465), (5, 3732586), (10, 1866293), (11, 1696630), (13, 1435610), (22, 848315), (26, 717805), (31, 602030), (55, 339326), (62, 301015), (65, 287122), (110, 169663), (130, 143561), (143, 130510), (155, 120406), (286, 65255), (310, 60203), (341, 54730), (403, 46310), (421, 44330), (682, 27365), (715, 26102), (806, 23155), (842, 22165), (1430, 13051), (1705, 10946), (2015, 9262), (2105, 8866), (3410, 5473), (4030, 4631), (4210, 4433)]