18810304

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{499}}^1$

素因数の和:561

約数の個数: 56

約数和(自身を含む): 40640000

約数和(自身を除く): 21829696

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 38, 62, 64, 76, 124, 152, 248, 304, 496, 499, 589, 608, 992, 998, 1178, 1216, 1984, 1996, 2356, 3992, 4712, 7984, 9424, 9481, 15469, 15968, 18848, 18962, 30938, 31936, 37696, 37924, 61876, 75848, 123752, 151696, 247504, 293911, 303392, 495008, 587822, 606784, 990016, 1175644, 2351288, 4702576, 9405152, 18810304]

約数ペア:

[(1, 18810304), (2, 9405152), (4, 4702576), (8, 2351288), (16, 1175644), (19, 990016), (31, 606784), (32, 587822), (38, 495008), (62, 303392), (64, 293911), (76, 247504), (124, 151696), (152, 123752), (248, 75848), (304, 61876), (496, 37924), (499, 37696), (589, 31936), (608, 30938), (992, 18962), (998, 18848), (1178, 15968), (1216, 15469), (1984, 9481), (1996, 9424), (2356, 7984), (3992, 4712)]