20189664252

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{952163}}^1$

素因数の和:952223

約数の個数: 72

約数和(自身を含む): 55454031360

約数和(自身を除く): 35264367108

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 31, 36, 38, 57, 62, 76, 93, 114, 124, 171, 186, 228, 279, 342, 372, 558, 589, 684, 1116, 1178, 1767, 2356, 3534, 5301, 7068, 10602, 21204, 952163, 1904326, 2856489, 3808652, 5712978, 8569467, 11425956, 17138934, 18091097, 29517053, 34277868, 36182194, 54273291, 59034106, 72364388, 88551159, 108546582, 118068212, 162819873, 177102318, 217093164, 265653477, 325639746, 354204636, 531306954, 560824007, 651279492, 1062613908, 1121648014, 1682472021, 2243296028, 3364944042, 5047416063, 6729888084, 10094832126, 20189664252]

約数ペア:

[(1, 20189664252), (2, 10094832126), (3, 6729888084), (4, 5047416063), (6, 3364944042), (9, 2243296028), (12, 1682472021), (18, 1121648014), (19, 1062613908), (31, 651279492), (36, 560824007), (38, 531306954), (57, 354204636), (62, 325639746), (76, 265653477), (93, 217093164), (114, 177102318), (124, 162819873), (171, 118068212), (186, 108546582), (228, 88551159), (279, 72364388), (342, 59034106), (372, 54273291), (558, 36182194), (589, 34277868), (684, 29517053), (1116, 18091097), (1178, 17138934), (1767, 11425956), (2356, 8569467), (3534, 5712978), (5301, 3808652), (7068, 2856489), (10602, 1904326), (21204, 952163)]