19914903932

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{509}}^1\times {\mathrm{127031}}^1$

素因数の和:127562

約数の個数: 48

約数和(自身を含む): 43536407040

約数和(自身を除く): 23621503108

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 509, 1018, 2036, 3563, 5599, 7126, 11198, 14252, 22396, 39193, 78386, 127031, 156772, 254062, 508124, 889217, 1397341, 1778434, 2794682, 3556868, 5589364, 9781387, 19562774, 39125548, 64658779, 129317558, 258635116, 452611453, 711246569, 905222906, 1422493138, 1810445812, 2844986276, 4978725983, 9957451966, 19914903932]

約数ペア:

[(1, 19914903932), (2, 9957451966), (4, 4978725983), (7, 2844986276), (11, 1810445812), (14, 1422493138), (22, 905222906), (28, 711246569), (44, 452611453), (77, 258635116), (154, 129317558), (308, 64658779), (509, 39125548), (1018, 19562774), (2036, 9781387), (3563, 5589364), (5599, 3556868), (7126, 2794682), (11198, 1778434), (14252, 1397341), (22396, 889217), (39193, 508124), (78386, 254062), (127031, 156772)]