19783260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{2243}}^1$

素因数の和:2272

約数の個数: 108

約数和(自身を含む): 69837768

約数和(自身を除く): 50054508

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2243, 2940, 4410, 4486, 6729, 8820, 8972, 11215, 13458, 15701, 20187, 22430, 26916, 31402, 33645, 40374, 44860, 47103, 62804, 67290, 78505, 80748, 94206, 100935, 109907, 134580, 141309, 157010, 188412, 201870, 219814, 235515, 282618, 314020, 329721, 403740, 439628, 471030, 549535, 565236, 659442, 706545, 942060, 989163, 1099070, 1318884, 1413090, 1648605, 1978326, 2198140, 2826180, 3297210, 3956652, 4945815, 6594420, 9891630, 19783260]

約数ペア:

[(1, 19783260), (2, 9891630), (3, 6594420), (4, 4945815), (5, 3956652), (6, 3297210), (7, 2826180), (9, 2198140), (10, 1978326), (12, 1648605), (14, 1413090), (15, 1318884), (18, 1099070), (20, 989163), (21, 942060), (28, 706545), (30, 659442), (35, 565236), (36, 549535), (42, 471030), (45, 439628), (49, 403740), (60, 329721), (63, 314020), (70, 282618), (84, 235515), (90, 219814), (98, 201870), (105, 188412), (126, 157010), (140, 141309), (147, 134580), (180, 109907), (196, 100935), (210, 94206), (245, 80748), (252, 78505), (294, 67290), (315, 62804), (420, 47103), (441, 44860), (490, 40374), (588, 33645), (630, 31402), (735, 26916), (882, 22430), (980, 20187), (1260, 15701), (1470, 13458), (1764, 11215), (2205, 8972), (2243, 8820), (2940, 6729), (4410, 4486)]