18922890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{359}}^1$

素因数の和:627

約数の個数: 64

約数和(自身を含む): 52254720

約数和(自身を除く): 33331830

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 251, 359, 502, 718, 753, 1077, 1255, 1506, 1757, 1795, 2154, 2510, 2513, 3514, 3590, 3765, 5026, 5271, 5385, 7530, 7539, 8785, 10542, 10770, 12565, 15078, 17570, 25130, 26355, 37695, 52710, 75390, 90109, 180218, 270327, 450545, 540654, 630763, 901090, 1261526, 1351635, 1892289, 2703270, 3153815, 3784578, 6307630, 9461445, 18922890]

約数ペア:

[(1, 18922890), (2, 9461445), (3, 6307630), (5, 3784578), (6, 3153815), (7, 2703270), (10, 1892289), (14, 1351635), (15, 1261526), (21, 901090), (30, 630763), (35, 540654), (42, 450545), (70, 270327), (105, 180218), (210, 90109), (251, 75390), (359, 52710), (502, 37695), (718, 26355), (753, 25130), (1077, 17570), (1255, 15078), (1506, 12565), (1757, 10770), (1795, 10542), (2154, 8785), (2510, 7539), (2513, 7530), (3514, 5385), (3590, 5271), (3765, 5026)]