18219818988

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{2659}}^1\times {\mathrm{27191}}^1$

素因数の和:29867

約数の個数: 72

約数和(自身を含む): 52656764160

約数和(自身を除く): 34436945172

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 2659, 5318, 7977, 10636, 15954, 18613, 23931, 27191, 31908, 37226, 47862, 54382, 55839, 74452, 81573, 95724, 108764, 111678, 163146, 167517, 190337, 223356, 244719, 326292, 335034, 380674, 489438, 571011, 670068, 761348, 978876, 1142022, 1713033, 2284044, 3426066, 6852132, 72300869, 144601738, 216902607, 289203476, 433805214, 506106083, 650707821, 867610428, 1012212166, 1301415642, 1518318249, 2024424332, 2602831284, 3036636498, 4554954747, 6073272996, 9109909494, 18219818988]

約数ペア:

[(1, 18219818988), (2, 9109909494), (3, 6073272996), (4, 4554954747), (6, 3036636498), (7, 2602831284), (9, 2024424332), (12, 1518318249), (14, 1301415642), (18, 1012212166), (21, 867610428), (28, 650707821), (36, 506106083), (42, 433805214), (63, 289203476), (84, 216902607), (126, 144601738), (252, 72300869), (2659, 6852132), (5318, 3426066), (7977, 2284044), (10636, 1713033), (15954, 1142022), (18613, 978876), (23931, 761348), (27191, 670068), (31908, 571011), (37226, 489438), (47862, 380674), (54382, 335034), (55839, 326292), (74452, 244719), (81573, 223356), (95724, 190337), (108764, 167517), (111678, 163146)]