19163556

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{181}}^1$

素因数の和:381

約数の個数: 72

約数和(自身を含む): 51872184

約数和(自身を除く): 32708628

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 173, 181, 204, 306, 346, 362, 519, 543, 612, 692, 724, 1038, 1086, 1557, 1629, 2076, 2172, 2941, 3077, 3114, 3258, 5882, 6154, 6228, 6516, 8823, 9231, 11764, 12308, 17646, 18462, 26469, 27693, 31313, 35292, 36924, 52938, 55386, 62626, 93939, 105876, 110772, 125252, 187878, 281817, 375756, 532321, 563634, 1064642, 1127268, 1596963, 2129284, 3193926, 4790889, 6387852, 9581778, 19163556]

約数ペア:

[(1, 19163556), (2, 9581778), (3, 6387852), (4, 4790889), (6, 3193926), (9, 2129284), (12, 1596963), (17, 1127268), (18, 1064642), (34, 563634), (36, 532321), (51, 375756), (68, 281817), (102, 187878), (153, 125252), (173, 110772), (181, 105876), (204, 93939), (306, 62626), (346, 55386), (362, 52938), (519, 36924), (543, 35292), (612, 31313), (692, 27693), (724, 26469), (1038, 18462), (1086, 17646), (1557, 12308), (1629, 11764), (2076, 9231), (2172, 8823), (2941, 6516), (3077, 6228), (3114, 6154), (3258, 5882)]