18393870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{401}}^1$

素因数の和:561

約数の個数: 64

約数和(自身を含む): 48625920

約数和(自身を除く): 30232050

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 139, 165, 278, 330, 401, 417, 695, 802, 834, 1203, 1390, 1529, 2005, 2085, 2406, 3058, 4010, 4170, 4411, 4587, 6015, 7645, 8822, 9174, 12030, 13233, 15290, 22055, 22935, 26466, 44110, 45870, 55739, 66165, 111478, 132330, 167217, 278695, 334434, 557390, 613129, 836085, 1226258, 1672170, 1839387, 3065645, 3678774, 6131290, 9196935, 18393870]

約数ペア:

[(1, 18393870), (2, 9196935), (3, 6131290), (5, 3678774), (6, 3065645), (10, 1839387), (11, 1672170), (15, 1226258), (22, 836085), (30, 613129), (33, 557390), (55, 334434), (66, 278695), (110, 167217), (139, 132330), (165, 111478), (278, 66165), (330, 55739), (401, 45870), (417, 44110), (695, 26466), (802, 22935), (834, 22055), (1203, 15290), (1390, 13233), (1529, 12030), (2005, 9174), (2085, 8822), (2406, 7645), (3058, 6015), (4010, 4587), (4170, 4411)]