18861948

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{29}}^2\times {\mathrm{89}}^1$

素因数の和:164

約数の個数: 108

約数和(自身を含む): 57067920

約数和(自身を除く): 38205972

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 29, 36, 42, 58, 63, 84, 87, 89, 116, 126, 174, 178, 203, 252, 261, 267, 348, 356, 406, 522, 534, 609, 623, 801, 812, 841, 1044, 1068, 1218, 1246, 1602, 1682, 1827, 1869, 2436, 2492, 2523, 2581, 3204, 3364, 3654, 3738, 5046, 5162, 5607, 5887, 7308, 7476, 7569, 7743, 10092, 10324, 11214, 11774, 15138, 15486, 17661, 18067, 22428, 23229, 23548, 30276, 30972, 35322, 36134, 46458, 52983, 54201, 70644, 72268, 74849, 92916, 105966, 108402, 149698, 162603, 211932, 216804, 224547, 299396, 325206, 449094, 523943, 650412, 673641, 898188, 1047886, 1347282, 1571829, 2095772, 2694564, 3143658, 4715487, 6287316, 9430974, 18861948]

約数ペア:

[(1, 18861948), (2, 9430974), (3, 6287316), (4, 4715487), (6, 3143658), (7, 2694564), (9, 2095772), (12, 1571829), (14, 1347282), (18, 1047886), (21, 898188), (28, 673641), (29, 650412), (36, 523943), (42, 449094), (58, 325206), (63, 299396), (84, 224547), (87, 216804), (89, 211932), (116, 162603), (126, 149698), (174, 108402), (178, 105966), (203, 92916), (252, 74849), (261, 72268), (267, 70644), (348, 54201), (356, 52983), (406, 46458), (522, 36134), (534, 35322), (609, 30972), (623, 30276), (801, 23548), (812, 23229), (841, 22428), (1044, 18067), (1068, 17661), (1218, 15486), (1246, 15138), (1602, 11774), (1682, 11214), (1827, 10324), (1869, 10092), (2436, 7743), (2492, 7569), (2523, 7476), (2581, 7308), (3204, 5887), (3364, 5607), (3654, 5162), (3738, 5046)]