17930218

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:222

約数の個数: 32

約数和(自身を含む): 28926720

約数和(自身を除く): 10996502

約数列:

[1, 2, 47, 53, 59, 61, 94, 106, 118, 122, 2491, 2773, 2867, 3127, 3233, 3599, 4982, 5546, 5734, 6254, 6466, 7198, 146969, 151951, 169153, 190747, 293938, 303902, 338306, 381494, 8965109, 17930218]

約数ペア:

[(1, 17930218), (2, 8965109), (47, 381494), (53, 338306), (59, 303902), (61, 293938), (94, 190747), (106, 169153), (118, 151951), (122, 146969), (2491, 7198), (2773, 6466), (2867, 6254), (3127, 5734), (3233, 5546), (3599, 4982)]