18661952

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1$

素因数の和:283

約数の個数: 56

約数和(自身を含む): 39624000

約数和(自身を除く): 20962048

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 103, 149, 152, 206, 298, 304, 412, 596, 608, 824, 1192, 1216, 1648, 1957, 2384, 2831, 3296, 3914, 4768, 5662, 6592, 7828, 9536, 11324, 15347, 15656, 22648, 30694, 31312, 45296, 61388, 62624, 90592, 122776, 125248, 181184, 245552, 291593, 491104, 583186, 982208, 1166372, 2332744, 4665488, 9330976, 18661952]

約数ペア:

[(1, 18661952), (2, 9330976), (4, 4665488), (8, 2332744), (16, 1166372), (19, 982208), (32, 583186), (38, 491104), (64, 291593), (76, 245552), (103, 181184), (149, 125248), (152, 122776), (206, 90592), (298, 62624), (304, 61388), (412, 45296), (596, 31312), (608, 30694), (824, 22648), (1192, 15656), (1216, 15347), (1648, 11324), (1957, 9536), (2384, 7828), (2831, 6592), (3296, 5662), (3914, 4768)]