18826150

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{149}}^1$

素因数の和:206

約数の個数: 72

約数和(自身を含む): 42519600

約数和(自身を除く): 23693450

約数列:

[1, 2, 5, 7, 10, 14, 19, 25, 35, 38, 50, 70, 95, 133, 149, 175, 190, 266, 298, 350, 361, 475, 665, 722, 745, 950, 1043, 1330, 1490, 1805, 2086, 2527, 2831, 3325, 3610, 3725, 5054, 5215, 5662, 6650, 7450, 9025, 10430, 12635, 14155, 18050, 19817, 25270, 26075, 28310, 39634, 52150, 53789, 63175, 70775, 99085, 107578, 126350, 141550, 198170, 268945, 376523, 495425, 537890, 753046, 990850, 1344725, 1882615, 2689450, 3765230, 9413075, 18826150]

約数ペア:

[(1, 18826150), (2, 9413075), (5, 3765230), (7, 2689450), (10, 1882615), (14, 1344725), (19, 990850), (25, 753046), (35, 537890), (38, 495425), (50, 376523), (70, 268945), (95, 198170), (133, 141550), (149, 126350), (175, 107578), (190, 99085), (266, 70775), (298, 63175), (350, 53789), (361, 52150), (475, 39634), (665, 28310), (722, 26075), (745, 25270), (950, 19817), (1043, 18050), (1330, 14155), (1490, 12635), (1805, 10430), (2086, 9025), (2527, 7450), (2831, 6650), (3325, 5662), (3610, 5215), (3725, 5054)]