19397924

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{331}}^1$

素因数の和:385

約数の個数: 72

約数和(自身を含む): 44509248

約数和(自身を除く): 25111324

約数列:

[1, 2, 4, 7, 13, 14, 23, 26, 28, 46, 49, 52, 91, 92, 98, 161, 182, 196, 299, 322, 331, 364, 598, 637, 644, 662, 1127, 1196, 1274, 1324, 2093, 2254, 2317, 2548, 4186, 4303, 4508, 4634, 7613, 8372, 8606, 9268, 14651, 15226, 16219, 17212, 29302, 30121, 30452, 32438, 53291, 58604, 60242, 64876, 98969, 106582, 120484, 197938, 210847, 213164, 373037, 395876, 421694, 692783, 746074, 843388, 1385566, 1492148, 2771132, 4849481, 9698962, 19397924]

約数ペア:

[(1, 19397924), (2, 9698962), (4, 4849481), (7, 2771132), (13, 1492148), (14, 1385566), (23, 843388), (26, 746074), (28, 692783), (46, 421694), (49, 395876), (52, 373037), (91, 213164), (92, 210847), (98, 197938), (161, 120484), (182, 106582), (196, 98969), (299, 64876), (322, 60242), (331, 58604), (364, 53291), (598, 32438), (637, 30452), (644, 30121), (662, 29302), (1127, 17212), (1196, 16219), (1274, 15226), (1324, 14651), (2093, 9268), (2254, 8606), (2317, 8372), (2548, 7613), (4186, 4634), (4303, 4508)]