19695942

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{137}}^1\times {\mathrm{163}}^1$

素因数の和:322

約数の個数: 72

約数和(自身を含む): 50310936

約数和(自身を除く): 30614994

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 137, 147, 163, 274, 294, 326, 411, 441, 489, 822, 882, 959, 978, 1141, 1233, 1467, 1918, 2282, 2466, 2877, 2934, 3423, 5754, 6713, 6846, 7987, 8631, 10269, 13426, 15974, 17262, 20139, 20538, 22331, 23961, 40278, 44662, 47922, 60417, 66993, 71883, 120834, 133986, 143766, 156317, 200979, 312634, 401958, 468951, 937902, 1094219, 1406853, 2188438, 2813706, 3282657, 6565314, 9847971, 19695942]

約数ペア:

[(1, 19695942), (2, 9847971), (3, 6565314), (6, 3282657), (7, 2813706), (9, 2188438), (14, 1406853), (18, 1094219), (21, 937902), (42, 468951), (49, 401958), (63, 312634), (98, 200979), (126, 156317), (137, 143766), (147, 133986), (163, 120834), (274, 71883), (294, 66993), (326, 60417), (411, 47922), (441, 44662), (489, 40278), (822, 23961), (882, 22331), (959, 20538), (978, 20139), (1141, 17262), (1233, 15974), (1467, 13426), (1918, 10269), (2282, 8631), (2466, 7987), (2877, 6846), (2934, 6713), (3423, 5754)]