18290428

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{373}}^1$

素因数の和:454

約数の個数: 48

約数和(自身を含む): 36945216

約数和(自身を除く): 18654788

約数列:

[1, 2, 4, 13, 23, 26, 41, 46, 52, 82, 92, 164, 299, 373, 533, 598, 746, 943, 1066, 1196, 1492, 1886, 2132, 3772, 4849, 8579, 9698, 12259, 15293, 17158, 19396, 24518, 30586, 34316, 49036, 61172, 111527, 198809, 223054, 351739, 397618, 446108, 703478, 795236, 1406956, 4572607, 9145214, 18290428]

約数ペア:

[(1, 18290428), (2, 9145214), (4, 4572607), (13, 1406956), (23, 795236), (26, 703478), (41, 446108), (46, 397618), (52, 351739), (82, 223054), (92, 198809), (164, 111527), (299, 61172), (373, 49036), (533, 34316), (598, 30586), (746, 24518), (943, 19396), (1066, 17158), (1196, 15293), (1492, 12259), (1886, 9698), (2132, 8579), (3772, 4849)]