18439792

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1$

素因数の和:206

約数の個数: 80

約数和(自身を含む): 43425792

約数和(自身を除く): 24986000

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 47, 56, 62, 94, 112, 113, 124, 188, 217, 226, 248, 329, 376, 434, 452, 496, 658, 752, 791, 868, 904, 1316, 1457, 1582, 1736, 1808, 2632, 2914, 3164, 3472, 3503, 5264, 5311, 5828, 6328, 7006, 10199, 10622, 11656, 12656, 14012, 20398, 21244, 23312, 24521, 28024, 37177, 40796, 42488, 49042, 56048, 74354, 81592, 84976, 98084, 148708, 163184, 164641, 196168, 297416, 329282, 392336, 594832, 658564, 1152487, 1317128, 2304974, 2634256, 4609948, 9219896, 18439792]

約数ペア:

[(1, 18439792), (2, 9219896), (4, 4609948), (7, 2634256), (8, 2304974), (14, 1317128), (16, 1152487), (28, 658564), (31, 594832), (47, 392336), (56, 329282), (62, 297416), (94, 196168), (112, 164641), (113, 163184), (124, 148708), (188, 98084), (217, 84976), (226, 81592), (248, 74354), (329, 56048), (376, 49042), (434, 42488), (452, 40796), (496, 37177), (658, 28024), (752, 24521), (791, 23312), (868, 21244), (904, 20398), (1316, 14012), (1457, 12656), (1582, 11656), (1736, 10622), (1808, 10199), (2632, 7006), (2914, 6328), (3164, 5828), (3472, 5311), (3503, 5264)]