18499095

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 33696000

約数和(自身を除く): 15196905

約数列:

[1, 3, 5, 9, 15, 31, 45, 89, 93, 149, 155, 267, 279, 445, 447, 465, 745, 801, 1335, 1341, 1395, 2235, 2759, 4005, 4619, 6705, 8277, 13261, 13795, 13857, 23095, 24831, 39783, 41385, 41571, 66305, 69285, 119349, 124155, 198915, 207855, 411091, 596745, 1233273, 2055455, 3699819, 6166365, 18499095]

約数ペア:

[(1, 18499095), (3, 6166365), (5, 3699819), (9, 2055455), (15, 1233273), (31, 596745), (45, 411091), (89, 207855), (93, 198915), (149, 124155), (155, 119349), (267, 69285), (279, 66305), (445, 41571), (447, 41385), (465, 39783), (745, 24831), (801, 23095), (1335, 13857), (1341, 13795), (1395, 13261), (2235, 8277), (2759, 6705), (4005, 4619)]