19763268915

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{38639}}^1$

素因数の和:38764

約数の個数: 64

約数和(自身を含む): 35417733120

約数和(自身を除く): 15654464205

約数列:

[1, 3, 5, 13, 15, 39, 43, 61, 65, 129, 183, 195, 215, 305, 559, 645, 793, 915, 1677, 2379, 2623, 2795, 3965, 7869, 8385, 11895, 13115, 34099, 38639, 39345, 102297, 115917, 170495, 193195, 502307, 511485, 579585, 1506921, 1661477, 2356979, 2511535, 4984431, 7070937, 7534605, 8307385, 11784895, 21599201, 24922155, 30640727, 35354685, 64797603, 91922181, 101350097, 107996005, 153203635, 304050291, 323988015, 459610905, 506750485, 1317551261, 1520251455, 3952653783, 6587756305, 19763268915]

約数ペア:

[(1, 19763268915), (3, 6587756305), (5, 3952653783), (13, 1520251455), (15, 1317551261), (39, 506750485), (43, 459610905), (61, 323988015), (65, 304050291), (129, 153203635), (183, 107996005), (195, 101350097), (215, 91922181), (305, 64797603), (559, 35354685), (645, 30640727), (793, 24922155), (915, 21599201), (1677, 11784895), (2379, 8307385), (2623, 7534605), (2795, 7070937), (3965, 4984431), (7869, 2511535), (8385, 2356979), (11895, 1661477), (13115, 1506921), (34099, 579585), (38639, 511485), (39345, 502307), (102297, 193195), (115917, 170495)]