19131560

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{227}}^1$

素因数の和:295

約数の個数: 96

約数和(自身を含む): 51464160

約数和(自身を除く): 32332600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 49, 56, 70, 86, 98, 140, 172, 196, 215, 227, 245, 280, 301, 344, 392, 430, 454, 490, 602, 860, 908, 980, 1135, 1204, 1505, 1589, 1720, 1816, 1960, 2107, 2270, 2408, 3010, 3178, 4214, 4540, 6020, 6356, 7945, 8428, 9080, 9761, 10535, 11123, 12040, 12712, 15890, 16856, 19522, 21070, 22246, 31780, 39044, 42140, 44492, 48805, 55615, 63560, 68327, 78088, 84280, 88984, 97610, 111230, 136654, 195220, 222460, 273308, 341635, 390440, 444920, 478289, 546616, 683270, 956578, 1366540, 1913156, 2391445, 2733080, 3826312, 4782890, 9565780, 19131560]

約数ペア:

[(1, 19131560), (2, 9565780), (4, 4782890), (5, 3826312), (7, 2733080), (8, 2391445), (10, 1913156), (14, 1366540), (20, 956578), (28, 683270), (35, 546616), (40, 478289), (43, 444920), (49, 390440), (56, 341635), (70, 273308), (86, 222460), (98, 195220), (140, 136654), (172, 111230), (196, 97610), (215, 88984), (227, 84280), (245, 78088), (280, 68327), (301, 63560), (344, 55615), (392, 48805), (430, 44492), (454, 42140), (490, 39044), (602, 31780), (860, 22246), (908, 21070), (980, 19522), (1135, 16856), (1204, 15890), (1505, 12712), (1589, 12040), (1720, 11123), (1816, 10535), (1960, 9761), (2107, 9080), (2270, 8428), (2408, 7945), (3010, 6356), (3178, 6020), (4214, 4540)]