2018683120

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{69899}}^1$

素因数の和:69950

約数の個数: 60

約数和(自身を含む): 4953533400

約数和(自身を除く): 2934850280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 361, 380, 722, 760, 1444, 1520, 1805, 2888, 3610, 5776, 7220, 14440, 28880, 69899, 139798, 279596, 349495, 559192, 698990, 1118384, 1328081, 1397980, 2656162, 2795960, 5312324, 5591920, 6640405, 10624648, 13280810, 21249296, 25233539, 26561620, 50467078, 53123240, 100934156, 106246480, 126167695, 201868312, 252335390, 403736624, 504670780, 1009341560, 2018683120]

約数ペア:

[(1, 2018683120), (2, 1009341560), (4, 504670780), (5, 403736624), (8, 252335390), (10, 201868312), (16, 126167695), (19, 106246480), (20, 100934156), (38, 53123240), (40, 50467078), (76, 26561620), (80, 25233539), (95, 21249296), (152, 13280810), (190, 10624648), (304, 6640405), (361, 5591920), (380, 5312324), (722, 2795960), (760, 2656162), (1444, 1397980), (1520, 1328081), (1805, 1118384), (2888, 698990), (3610, 559192), (5776, 349495), (7220, 279596), (14440, 139798), (28880, 69899)]