18878902588

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{12241}}^1$

素因数の和:12507

約数の個数: 96

約数和(自身を含む): 42997821440

約数和(自身を除く): 24118918852

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 52, 76, 91, 133, 182, 223, 247, 266, 364, 446, 494, 532, 892, 988, 1561, 1729, 2899, 3122, 3458, 4237, 5798, 6244, 6916, 8474, 11596, 12241, 16948, 20293, 24482, 29659, 40586, 48964, 55081, 59318, 81172, 85687, 110162, 118636, 159133, 171374, 220324, 232579, 318266, 342748, 385567, 465158, 636532, 771134, 930316, 1113931, 1542268, 1628053, 2227862, 2729743, 3023527, 3256106, 4455724, 5459486, 6047054, 6512212, 10918972, 12094108, 19108201, 21164689, 35486659, 38216402, 42329378, 51865117, 70973318, 76432804, 84658756, 103730234, 141946636, 207460468, 248406613, 363055819, 496813226, 674246521, 726111638, 993626452, 1348493042, 1452223276, 2696986084, 4719725647, 9439451294, 18878902588]

約数ペア:

[(1, 18878902588), (2, 9439451294), (4, 4719725647), (7, 2696986084), (13, 1452223276), (14, 1348493042), (19, 993626452), (26, 726111638), (28, 674246521), (38, 496813226), (52, 363055819), (76, 248406613), (91, 207460468), (133, 141946636), (182, 103730234), (223, 84658756), (247, 76432804), (266, 70973318), (364, 51865117), (446, 42329378), (494, 38216402), (532, 35486659), (892, 21164689), (988, 19108201), (1561, 12094108), (1729, 10918972), (2899, 6512212), (3122, 6047054), (3458, 5459486), (4237, 4455724), (5798, 3256106), (6244, 3023527), (6916, 2729743), (8474, 2227862), (11596, 1628053), (12241, 1542268), (16948, 1113931), (20293, 930316), (24482, 771134), (29659, 636532), (40586, 465158), (48964, 385567), (55081, 342748), (59318, 318266), (81172, 232579), (85687, 220324), (110162, 171374), (118636, 159133)]