18250785

素因数分解:

$3^3\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:148

約数の個数: 96

約数和(自身を含む): 39398400

約数和(自身を除く): 21147615

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 31, 35, 45, 49, 63, 89, 93, 105, 135, 147, 155, 189, 217, 245, 267, 279, 315, 441, 445, 465, 623, 651, 735, 801, 837, 945, 1085, 1323, 1335, 1395, 1519, 1869, 1953, 2205, 2403, 2759, 3115, 3255, 4005, 4185, 4361, 4557, 5607, 5859, 6615, 7595, 8277, 9345, 9765, 12015, 13083, 13671, 13795, 16821, 19313, 21805, 22785, 24831, 28035, 29295, 39249, 41013, 41385, 57939, 65415, 68355, 74493, 84105, 96565, 117747, 124155, 135191, 173817, 196245, 205065, 289695, 372465, 405573, 521451, 588735, 675955, 869085, 1216719, 2027865, 2607255, 3650157, 6083595, 18250785]

約数ペア:

[(1, 18250785), (3, 6083595), (5, 3650157), (7, 2607255), (9, 2027865), (15, 1216719), (21, 869085), (27, 675955), (31, 588735), (35, 521451), (45, 405573), (49, 372465), (63, 289695), (89, 205065), (93, 196245), (105, 173817), (135, 135191), (147, 124155), (155, 117747), (189, 96565), (217, 84105), (245, 74493), (267, 68355), (279, 65415), (315, 57939), (441, 41385), (445, 41013), (465, 39249), (623, 29295), (651, 28035), (735, 24831), (801, 22785), (837, 21805), (945, 19313), (1085, 16821), (1323, 13795), (1335, 13671), (1395, 13083), (1519, 12015), (1869, 9765), (1953, 9345), (2205, 8277), (2403, 7595), (2759, 6615), (3115, 5859), (3255, 5607), (4005, 4557), (4185, 4361)]