19857112

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:328

約数の個数: 64

約数和(自身を含む): 43545600

約数和(自身を除く): 23688488

約数列:

[1, 2, 4, 8, 11, 22, 29, 31, 44, 58, 62, 88, 116, 124, 232, 248, 251, 319, 341, 502, 638, 682, 899, 1004, 1276, 1364, 1798, 2008, 2552, 2728, 2761, 3596, 5522, 7192, 7279, 7781, 9889, 11044, 14558, 15562, 19778, 22088, 29116, 31124, 39556, 58232, 62248, 79112, 80069, 85591, 160138, 171182, 225649, 320276, 342364, 451298, 640552, 684728, 902596, 1805192, 2482139, 4964278, 9928556, 19857112]

約数ペア:

[(1, 19857112), (2, 9928556), (4, 4964278), (8, 2482139), (11, 1805192), (22, 902596), (29, 684728), (31, 640552), (44, 451298), (58, 342364), (62, 320276), (88, 225649), (116, 171182), (124, 160138), (232, 85591), (248, 80069), (251, 79112), (319, 62248), (341, 58232), (502, 39556), (638, 31124), (682, 29116), (899, 22088), (1004, 19778), (1276, 15562), (1364, 14558), (1798, 11044), (2008, 9889), (2552, 7781), (2728, 7279), (2761, 7192), (3596, 5522)]