19156365

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{491}}^1$

素因数の和:539

約数の個数: 48

約数和(自身を含む): 36250560

約数和(自身を除く): 17094195

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 289, 459, 491, 765, 867, 1445, 1473, 2295, 2455, 2601, 4335, 4419, 7365, 7803, 8347, 13005, 13257, 22095, 25041, 39015, 41735, 66285, 75123, 125205, 141899, 225369, 375615, 425697, 709495, 1126845, 1277091, 2128485, 3831273, 6385455, 19156365]

約数ペア:

[(1, 19156365), (3, 6385455), (5, 3831273), (9, 2128485), (15, 1277091), (17, 1126845), (27, 709495), (45, 425697), (51, 375615), (85, 225369), (135, 141899), (153, 125205), (255, 75123), (289, 66285), (459, 41735), (491, 39015), (765, 25041), (867, 22095), (1445, 13257), (1473, 13005), (2295, 8347), (2455, 7803), (2601, 7365), (4335, 4419)]