19971630

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{10567}}^1$

素因数の和:10590

約数の個数: 64

約数和(自身を含む): 60871680

約数和(自身を除く): 40900050

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 10567, 21134, 31701, 52835, 63402, 73969, 95103, 105670, 147938, 158505, 190206, 221907, 285309, 317010, 369845, 443814, 475515, 570618, 665721, 739690, 951030, 1109535, 1331442, 1426545, 1997163, 2219070, 2853090, 3328605, 3994326, 6657210, 9985815, 19971630]

約数ペア:

[(1, 19971630), (2, 9985815), (3, 6657210), (5, 3994326), (6, 3328605), (7, 2853090), (9, 2219070), (10, 1997163), (14, 1426545), (15, 1331442), (18, 1109535), (21, 951030), (27, 739690), (30, 665721), (35, 570618), (42, 475515), (45, 443814), (54, 369845), (63, 317010), (70, 285309), (90, 221907), (105, 190206), (126, 158505), (135, 147938), (189, 105670), (210, 95103), (270, 73969), (315, 63402), (378, 52835), (630, 31701), (945, 21134), (1890, 10567)]