18231792

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{19991}}^1$

素因数の和:20021

約数の個数: 40

約数和(自身を含む): 49580160

約数和(自身を除く): 31348368

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 152, 228, 304, 456, 912, 19991, 39982, 59973, 79964, 119946, 159928, 239892, 319856, 379829, 479784, 759658, 959568, 1139487, 1519316, 2278974, 3038632, 4557948, 6077264, 9115896, 18231792]

約数ペア:

[(1, 18231792), (2, 9115896), (3, 6077264), (4, 4557948), (6, 3038632), (8, 2278974), (12, 1519316), (16, 1139487), (19, 959568), (24, 759658), (38, 479784), (48, 379829), (57, 319856), (76, 239892), (114, 159928), (152, 119946), (228, 79964), (304, 59973), (456, 39982), (912, 19991)]