1918781690

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{4793}}^1$

素因数の和:4876

約数の個数: 96

約数和(自身を含む): 4328406720

約数和(自身を除く): 2409625030

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 43, 49, 70, 86, 95, 98, 133, 190, 215, 245, 266, 301, 430, 490, 602, 665, 817, 931, 1330, 1505, 1634, 1862, 2107, 3010, 4085, 4214, 4655, 4793, 5719, 8170, 9310, 9586, 10535, 11438, 21070, 23965, 28595, 33551, 40033, 47930, 57190, 67102, 80066, 91067, 167755, 182134, 200165, 206099, 234857, 335510, 400330, 412198, 455335, 469714, 637469, 910670, 1030495, 1174285, 1274938, 1442693, 2060990, 2348570, 2885386, 3187345, 3915881, 4462283, 6374690, 7213465, 7831762, 8924566, 10098851, 14426930, 19579405, 20197702, 22311415, 27411167, 39158810, 44622830, 50494255, 54822334, 100988510, 137055835, 191878169, 274111670, 383756338, 959390845, 1918781690]

約数ペア:

[(1, 1918781690), (2, 959390845), (5, 383756338), (7, 274111670), (10, 191878169), (14, 137055835), (19, 100988510), (35, 54822334), (38, 50494255), (43, 44622830), (49, 39158810), (70, 27411167), (86, 22311415), (95, 20197702), (98, 19579405), (133, 14426930), (190, 10098851), (215, 8924566), (245, 7831762), (266, 7213465), (301, 6374690), (430, 4462283), (490, 3915881), (602, 3187345), (665, 2885386), (817, 2348570), (931, 2060990), (1330, 1442693), (1505, 1274938), (1634, 1174285), (1862, 1030495), (2107, 910670), (3010, 637469), (4085, 469714), (4214, 455335), (4655, 412198), (4793, 400330), (5719, 335510), (8170, 234857), (9310, 206099), (9586, 200165), (10535, 182134), (11438, 167755), (21070, 91067), (23965, 80066), (28595, 67102), (33551, 57190), (40033, 47930)]