18428865

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{587}}^1$

素因数の和:638

約数の個数: 64

約数和(自身を含む): 37933056

約数和(自身を除く): 19504191

約数列:

[1, 3, 5, 7, 13, 15, 21, 23, 35, 39, 65, 69, 91, 105, 115, 161, 195, 273, 299, 345, 455, 483, 587, 805, 897, 1365, 1495, 1761, 2093, 2415, 2935, 4109, 4485, 6279, 7631, 8805, 10465, 12327, 13501, 20545, 22893, 31395, 38155, 40503, 53417, 61635, 67505, 94507, 114465, 160251, 175513, 202515, 267085, 283521, 472535, 526539, 801255, 877565, 1228591, 1417605, 2632695, 3685773, 6142955, 18428865]

約数ペア:

[(1, 18428865), (3, 6142955), (5, 3685773), (7, 2632695), (13, 1417605), (15, 1228591), (21, 877565), (23, 801255), (35, 526539), (39, 472535), (65, 283521), (69, 267085), (91, 202515), (105, 175513), (115, 160251), (161, 114465), (195, 94507), (273, 67505), (299, 61635), (345, 53417), (455, 40503), (483, 38155), (587, 31395), (805, 22893), (897, 20545), (1365, 13501), (1495, 12327), (1761, 10465), (2093, 8805), (2415, 7631), (2935, 6279), (4109, 4485)]