18977010

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{197}}^1$

素因数の和:252

約数の個数: 96

約数和(自身を含む): 52176960

約数和(自身を除く): 33199950

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 19, 26, 30, 38, 39, 57, 65, 78, 95, 114, 130, 169, 190, 195, 197, 247, 285, 338, 390, 394, 494, 507, 570, 591, 741, 845, 985, 1014, 1182, 1235, 1482, 1690, 1970, 2470, 2535, 2561, 2955, 3211, 3705, 3743, 5070, 5122, 5910, 6422, 7410, 7486, 7683, 9633, 11229, 12805, 15366, 16055, 18715, 19266, 22458, 25610, 32110, 33293, 37430, 38415, 48165, 48659, 56145, 66586, 76830, 96330, 97318, 99879, 112290, 145977, 166465, 199758, 243295, 291954, 332930, 486590, 499395, 632567, 729885, 998790, 1265134, 1459770, 1897701, 3162835, 3795402, 6325670, 9488505, 18977010]

約数ペア:

[(1, 18977010), (2, 9488505), (3, 6325670), (5, 3795402), (6, 3162835), (10, 1897701), (13, 1459770), (15, 1265134), (19, 998790), (26, 729885), (30, 632567), (38, 499395), (39, 486590), (57, 332930), (65, 291954), (78, 243295), (95, 199758), (114, 166465), (130, 145977), (169, 112290), (190, 99879), (195, 97318), (197, 96330), (247, 76830), (285, 66586), (338, 56145), (390, 48659), (394, 48165), (494, 38415), (507, 37430), (570, 33293), (591, 32110), (741, 25610), (845, 22458), (985, 19266), (1014, 18715), (1182, 16055), (1235, 15366), (1482, 12805), (1690, 11229), (1970, 9633), (2470, 7683), (2535, 7486), (2561, 7410), (2955, 6422), (3211, 5910), (3705, 5122), (3743, 5070)]