18316545

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:170

約数の個数: 64

約数和(自身を含む): 33868800

約数和(自身を除く): 15552255

約数列:

[1, 3, 5, 13, 15, 29, 39, 41, 65, 79, 87, 123, 145, 195, 205, 237, 377, 395, 435, 533, 615, 1027, 1131, 1185, 1189, 1599, 1885, 2291, 2665, 3081, 3239, 3567, 5135, 5655, 5945, 6873, 7995, 9717, 11455, 15405, 15457, 16195, 17835, 29783, 34365, 42107, 46371, 48585, 77285, 89349, 93931, 126321, 148915, 210535, 231855, 281793, 446745, 469655, 631605, 1221103, 1408965, 3663309, 6105515, 18316545]

約数ペア:

[(1, 18316545), (3, 6105515), (5, 3663309), (13, 1408965), (15, 1221103), (29, 631605), (39, 469655), (41, 446745), (65, 281793), (79, 231855), (87, 210535), (123, 148915), (145, 126321), (195, 93931), (205, 89349), (237, 77285), (377, 48585), (395, 46371), (435, 42107), (533, 34365), (615, 29783), (1027, 17835), (1131, 16195), (1185, 15457), (1189, 15405), (1599, 11455), (1885, 9717), (2291, 7995), (2665, 6873), (3081, 5945), (3239, 5655), (3567, 5135)]