19531638

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{163}}^1\times {\mathrm{317}}^1$

素因数の和:498

約数の個数: 64

約数和(自身を含む): 50065920

約数和(自身を除く): 30534282

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 163, 189, 317, 326, 378, 489, 634, 951, 978, 1141, 1467, 1902, 2219, 2282, 2853, 2934, 3423, 4401, 4438, 5706, 6657, 6846, 8559, 8802, 10269, 13314, 17118, 19971, 20538, 30807, 39942, 51671, 59913, 61614, 103342, 119826, 155013, 310026, 361697, 465039, 723394, 930078, 1085091, 1395117, 2170182, 2790234, 3255273, 6510546, 9765819, 19531638]

約数ペア:

[(1, 19531638), (2, 9765819), (3, 6510546), (6, 3255273), (7, 2790234), (9, 2170182), (14, 1395117), (18, 1085091), (21, 930078), (27, 723394), (42, 465039), (54, 361697), (63, 310026), (126, 155013), (163, 119826), (189, 103342), (317, 61614), (326, 59913), (378, 51671), (489, 39942), (634, 30807), (951, 20538), (978, 19971), (1141, 17118), (1467, 13314), (1902, 10269), (2219, 8802), (2282, 8559), (2853, 6846), (2934, 6657), (3423, 5706), (4401, 4438)]