19678743747

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{555097}}^1$

素因数の和:555220

約数の個数: 32

約数和(自身を含む): 31707197760

約数和(自身を除く): 12028454013

約数列:

[1, 3, 9, 13, 27, 39, 101, 117, 303, 351, 909, 1313, 2727, 3939, 11817, 35451, 555097, 1665291, 4995873, 7216261, 14987619, 21648783, 56064797, 64946349, 168194391, 194839047, 504583173, 728842361, 1513749519, 2186527083, 6559581249, 19678743747]

約数ペア:

[(1, 19678743747), (3, 6559581249), (9, 2186527083), (13, 1513749519), (27, 728842361), (39, 504583173), (101, 194839047), (117, 168194391), (303, 64946349), (351, 56064797), (909, 21648783), (1313, 14987619), (2727, 7216261), (3939, 4995873), (11817, 1665291), (35451, 555097)]