19497570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{307}}^1$

素因数の和:419

約数の個数: 64

約数和(自身を含む): 49230720

約数和(自身を除く): 29733150

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 73, 87, 145, 146, 174, 219, 290, 307, 365, 435, 438, 614, 730, 870, 921, 1095, 1535, 1842, 2117, 2190, 3070, 4234, 4605, 6351, 8903, 9210, 10585, 12702, 17806, 21170, 22411, 26709, 31755, 44515, 44822, 53418, 63510, 67233, 89030, 112055, 133545, 134466, 224110, 267090, 336165, 649919, 672330, 1299838, 1949757, 3249595, 3899514, 6499190, 9748785, 19497570]

約数ペア:

[(1, 19497570), (2, 9748785), (3, 6499190), (5, 3899514), (6, 3249595), (10, 1949757), (15, 1299838), (29, 672330), (30, 649919), (58, 336165), (73, 267090), (87, 224110), (145, 134466), (146, 133545), (174, 112055), (219, 89030), (290, 67233), (307, 63510), (365, 53418), (435, 44822), (438, 44515), (614, 31755), (730, 26709), (870, 22411), (921, 21170), (1095, 17806), (1535, 12702), (1842, 10585), (2117, 9210), (2190, 8903), (3070, 6351), (4234, 4605)]