18837460

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1321}}^1$

素因数の和:1384

約数の個数: 48

約数和(自身を含む): 42642432

約数和(自身を除く): 23804972

約数列:

[1, 2, 4, 5, 10, 20, 23, 31, 46, 62, 92, 115, 124, 155, 230, 310, 460, 620, 713, 1321, 1426, 2642, 2852, 3565, 5284, 6605, 7130, 13210, 14260, 26420, 30383, 40951, 60766, 81902, 121532, 151915, 163804, 204755, 303830, 409510, 607660, 819020, 941873, 1883746, 3767492, 4709365, 9418730, 18837460]

約数ペア:

[(1, 18837460), (2, 9418730), (4, 4709365), (5, 3767492), (10, 1883746), (20, 941873), (23, 819020), (31, 607660), (46, 409510), (62, 303830), (92, 204755), (115, 163804), (124, 151915), (155, 121532), (230, 81902), (310, 60766), (460, 40951), (620, 30383), (713, 26420), (1321, 14260), (1426, 13210), (2642, 7130), (2852, 6605), (3565, 5284)]