18959794

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:163

約数の個数: 64

約数和(自身を含む): 37013760

約数和(自身を除く): 18053966

約数列:

[1, 2, 7, 14, 17, 29, 34, 41, 58, 67, 82, 119, 134, 203, 238, 287, 406, 469, 493, 574, 697, 938, 986, 1139, 1189, 1394, 1943, 2278, 2378, 2747, 3451, 3886, 4879, 5494, 6902, 7973, 8323, 9758, 13601, 15946, 16646, 19229, 20213, 27202, 33031, 38458, 40426, 46699, 66062, 79663, 93398, 141491, 159326, 231217, 282982, 326893, 462434, 557641, 653786, 1115282, 1354271, 2708542, 9479897, 18959794]

約数ペア:

[(1, 18959794), (2, 9479897), (7, 2708542), (14, 1354271), (17, 1115282), (29, 653786), (34, 557641), (41, 462434), (58, 326893), (67, 282982), (82, 231217), (119, 159326), (134, 141491), (203, 93398), (238, 79663), (287, 66062), (406, 46699), (469, 40426), (493, 38458), (574, 33031), (697, 27202), (938, 20213), (986, 19229), (1139, 16646), (1189, 15946), (1394, 13601), (1943, 9758), (2278, 8323), (2378, 7973), (2747, 6902), (3451, 5494), (3886, 4879)]