16894540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{359}}^1$

素因数の和:562

約数の個数: 48

約数和(自身を含む): 38525760

約数和(自身を除く): 21631220

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 181, 260, 359, 362, 718, 724, 905, 1436, 1795, 1810, 2353, 3590, 3620, 4667, 4706, 7180, 9334, 9412, 11765, 18668, 23335, 23530, 46670, 47060, 64979, 93340, 129958, 259916, 324895, 649790, 844727, 1299580, 1689454, 3378908, 4223635, 8447270, 16894540]

約数ペア:

[(1, 16894540), (2, 8447270), (4, 4223635), (5, 3378908), (10, 1689454), (13, 1299580), (20, 844727), (26, 649790), (52, 324895), (65, 259916), (130, 129958), (181, 93340), (260, 64979), (359, 47060), (362, 46670), (718, 23530), (724, 23335), (905, 18668), (1436, 11765), (1795, 9412), (1810, 9334), (2353, 7180), (3590, 4706), (3620, 4667)]