19138005

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{269}}^1$

素因数の和:331

約数の個数: 64

約数和(自身を含む): 37324800

約数和(自身を除く): 18186795

約数列:

[1, 3, 5, 9, 15, 17, 27, 31, 45, 51, 85, 93, 135, 153, 155, 255, 269, 279, 459, 465, 527, 765, 807, 837, 1345, 1395, 1581, 2295, 2421, 2635, 4035, 4185, 4573, 4743, 7263, 7905, 8339, 12105, 13719, 14229, 22865, 23715, 25017, 36315, 41157, 41695, 68595, 71145, 75051, 123471, 125085, 141763, 205785, 225153, 375255, 425289, 617355, 708815, 1125765, 1275867, 2126445, 3827601, 6379335, 19138005]

約数ペア:

[(1, 19138005), (3, 6379335), (5, 3827601), (9, 2126445), (15, 1275867), (17, 1125765), (27, 708815), (31, 617355), (45, 425289), (51, 375255), (85, 225153), (93, 205785), (135, 141763), (153, 125085), (155, 123471), (255, 75051), (269, 71145), (279, 68595), (459, 41695), (465, 41157), (527, 36315), (765, 25017), (807, 23715), (837, 22865), (1345, 14229), (1395, 13719), (1581, 12105), (2295, 8339), (2421, 7905), (2635, 7263), (4035, 4743), (4185, 4573)]