1818173628

素因数分解:

$2^2\times 3^5\times {\mathrm{109}}^1\times {\mathrm{131}}^2$

素因数の和:390

約数の個数: 108

約数和(自身を含む): 4846882040

約数和(自身を除く): 3028708412

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 109, 131, 162, 218, 243, 262, 324, 327, 393, 436, 486, 524, 654, 786, 972, 981, 1179, 1308, 1572, 1962, 2358, 2943, 3537, 3924, 4716, 5886, 7074, 8829, 10611, 11772, 14148, 14279, 17161, 17658, 21222, 26487, 28558, 31833, 34322, 35316, 42444, 42837, 51483, 52974, 57116, 63666, 68644, 85674, 102966, 105948, 127332, 128511, 154449, 171348, 205932, 257022, 308898, 385533, 463347, 514044, 617796, 771066, 926694, 1156599, 1390041, 1542132, 1853388, 1870549, 2313198, 2780082, 3469797, 3741098, 4170123, 4626396, 5560164, 5611647, 6939594, 7482196, 8340246, 11223294, 13879188, 16680492, 16834941, 22446588, 33669882, 50504823, 67339764, 101009646, 151514469, 202019292, 303028938, 454543407, 606057876, 909086814, 1818173628]

約数ペア:

[(1, 1818173628), (2, 909086814), (3, 606057876), (4, 454543407), (6, 303028938), (9, 202019292), (12, 151514469), (18, 101009646), (27, 67339764), (36, 50504823), (54, 33669882), (81, 22446588), (108, 16834941), (109, 16680492), (131, 13879188), (162, 11223294), (218, 8340246), (243, 7482196), (262, 6939594), (324, 5611647), (327, 5560164), (393, 4626396), (436, 4170123), (486, 3741098), (524, 3469797), (654, 2780082), (786, 2313198), (972, 1870549), (981, 1853388), (1179, 1542132), (1308, 1390041), (1572, 1156599), (1962, 926694), (2358, 771066), (2943, 617796), (3537, 514044), (3924, 463347), (4716, 385533), (5886, 308898), (7074, 257022), (8829, 205932), (10611, 171348), (11772, 154449), (14148, 128511), (14279, 127332), (17161, 105948), (17658, 102966), (21222, 85674), (26487, 68644), (28558, 63666), (31833, 57116), (34322, 52974), (35316, 51483), (42444, 42837)]