19888974

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{6863}}^1$

素因数の和:6901

約数の個数: 48

約数和(自身を含む): 51397632

約数和(自身を除く): 31508658

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 42, 46, 63, 69, 126, 138, 161, 207, 322, 414, 483, 966, 1449, 2898, 6863, 13726, 20589, 41178, 48041, 61767, 96082, 123534, 144123, 157849, 288246, 315698, 432369, 473547, 864738, 947094, 1104943, 1420641, 2209886, 2841282, 3314829, 6629658, 9944487, 19888974]

約数ペア:

[(1, 19888974), (2, 9944487), (3, 6629658), (6, 3314829), (7, 2841282), (9, 2209886), (14, 1420641), (18, 1104943), (21, 947094), (23, 864738), (42, 473547), (46, 432369), (63, 315698), (69, 288246), (126, 157849), (138, 144123), (161, 123534), (207, 96082), (322, 61767), (414, 48041), (483, 41178), (966, 20589), (1449, 13726), (2898, 6863)]