19850012

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2371}}^1$

素因数の和:2418

約数の個数: 48

約数和(自身を含む): 44631552

約数和(自身を除く): 24781540

約数列:

[1, 2, 4, 7, 13, 14, 23, 26, 28, 46, 52, 91, 92, 161, 182, 299, 322, 364, 598, 644, 1196, 2093, 2371, 4186, 4742, 8372, 9484, 16597, 30823, 33194, 54533, 61646, 66388, 109066, 123292, 215761, 218132, 381731, 431522, 708929, 763462, 863044, 1417858, 1526924, 2835716, 4962503, 9925006, 19850012]

約数ペア:

[(1, 19850012), (2, 9925006), (4, 4962503), (7, 2835716), (13, 1526924), (14, 1417858), (23, 863044), (26, 763462), (28, 708929), (46, 431522), (52, 381731), (91, 218132), (92, 215761), (161, 123292), (182, 109066), (299, 66388), (322, 61646), (364, 54533), (598, 33194), (644, 30823), (1196, 16597), (2093, 9484), (2371, 8372), (4186, 4742)]