18783864385

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{331}}^1\times {\mathrm{571}}^1$

素因数の和:1070

約数の個数: 64

約数和(自身を含む): 26799252480

約数和(自身を除く): 8015388095

約数列:

[1, 5, 11, 13, 55, 65, 139, 143, 331, 571, 695, 715, 1529, 1655, 1807, 2855, 3641, 4303, 6281, 7423, 7645, 9035, 18205, 19877, 21515, 31405, 37115, 46009, 47333, 79369, 81653, 99385, 189001, 230045, 236665, 396845, 408265, 506099, 598117, 873059, 945005, 1031797, 2079011, 2457013, 2530495, 2990585, 4365295, 5158985, 6579287, 10395055, 11349767, 12285065, 26271139, 27027143, 32896435, 56748835, 131355695, 135135715, 288982529, 341524807, 1444912645, 1707624035, 3756772877, 18783864385]

約数ペア:

[(1, 18783864385), (5, 3756772877), (11, 1707624035), (13, 1444912645), (55, 341524807), (65, 288982529), (139, 135135715), (143, 131355695), (331, 56748835), (571, 32896435), (695, 27027143), (715, 26271139), (1529, 12285065), (1655, 11349767), (1807, 10395055), (2855, 6579287), (3641, 5158985), (4303, 4365295), (6281, 2990585), (7423, 2530495), (7645, 2457013), (9035, 2079011), (18205, 1031797), (19877, 945005), (21515, 873059), (31405, 598117), (37115, 506099), (46009, 408265), (47333, 396845), (79369, 236665), (81653, 230045), (99385, 189001)]