18765378

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{521}}^1$

素因数の和:584

約数の個数: 64

約数和(自身を含む): 45100800

約数和(自身を除く): 26335422

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 29, 46, 54, 58, 69, 87, 138, 174, 207, 261, 414, 521, 522, 621, 667, 783, 1042, 1242, 1334, 1563, 1566, 2001, 3126, 4002, 4689, 6003, 9378, 11983, 12006, 14067, 15109, 18009, 23966, 28134, 30218, 35949, 36018, 45327, 71898, 90654, 107847, 135981, 215694, 271962, 323541, 347507, 407943, 647082, 695014, 815886, 1042521, 2085042, 3127563, 6255126, 9382689, 18765378]

約数ペア:

[(1, 18765378), (2, 9382689), (3, 6255126), (6, 3127563), (9, 2085042), (18, 1042521), (23, 815886), (27, 695014), (29, 647082), (46, 407943), (54, 347507), (58, 323541), (69, 271962), (87, 215694), (138, 135981), (174, 107847), (207, 90654), (261, 71898), (414, 45327), (521, 36018), (522, 35949), (621, 30218), (667, 28134), (783, 23966), (1042, 18009), (1242, 15109), (1334, 14067), (1563, 12006), (1566, 11983), (2001, 9378), (3126, 6003), (4002, 4689)]