19728450561

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{37223}}^1$

素因数の和:37437

約数の個数: 32

約数和(自身を含む): 28016271360

約数和(自身を除く): 8287820799

約数列:

[1, 3, 31, 41, 93, 123, 139, 417, 1271, 3813, 4309, 5699, 12927, 17097, 37223, 111669, 176669, 530007, 1153913, 1526143, 3461739, 4578429, 5173997, 15521991, 47310433, 141931299, 160393907, 212133877, 481181721, 636401631, 6576150187, 19728450561]

約数ペア:

[(1, 19728450561), (3, 6576150187), (31, 636401631), (41, 481181721), (93, 212133877), (123, 160393907), (139, 141931299), (417, 47310433), (1271, 15521991), (3813, 5173997), (4309, 4578429), (5699, 3461739), (12927, 1526143), (17097, 1153913), (37223, 530007), (111669, 176669)]