18491438

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{311}}^1$

素因数の和:488

約数の個数: 32

約数和(自身を含む): 33067008

約数和(自身を除く): 14575570

約数列:

[1, 2, 7, 14, 31, 62, 137, 217, 274, 311, 434, 622, 959, 1918, 2177, 4247, 4354, 8494, 9641, 19282, 29729, 42607, 59458, 67487, 85214, 134974, 298249, 596498, 1320817, 2641634, 9245719, 18491438]

約数ペア:

[(1, 18491438), (2, 9245719), (7, 2641634), (14, 1320817), (31, 596498), (62, 298249), (137, 134974), (217, 85214), (274, 67487), (311, 59458), (434, 42607), (622, 29729), (959, 19282), (1918, 9641), (2177, 8494), (4247, 4354)]