188571618

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:245

約数の個数: 128

約数和(自身を含む): 471398400

約数和(自身を除く): 282826782

約数列:

[1, 2, 3, 6, 9, 18, 19, 23, 27, 38, 46, 54, 57, 61, 69, 114, 122, 131, 138, 171, 183, 207, 262, 342, 366, 393, 414, 437, 513, 549, 621, 786, 874, 1026, 1098, 1159, 1179, 1242, 1311, 1403, 1647, 2318, 2358, 2489, 2622, 2806, 3013, 3294, 3477, 3537, 3933, 4209, 4978, 6026, 6954, 7074, 7467, 7866, 7991, 8418, 9039, 10431, 11799, 12627, 14934, 15982, 18078, 20862, 22401, 23598, 23973, 25254, 26657, 27117, 31293, 37881, 44802, 47946, 53314, 54234, 57247, 62586, 67203, 71919, 75762, 79971, 81351, 114494, 134406, 143838, 151829, 159942, 162702, 171741, 183793, 215757, 239913, 303658, 343482, 367586, 431514, 455487, 479826, 515223, 551379, 719739, 910974, 1030446, 1102758, 1366461, 1439478, 1545669, 1654137, 2732922, 3091338, 3308274, 3492067, 4099383, 4962411, 6984134, 8198766, 9924822, 10476201, 20952402, 31428603, 62857206, 94285809, 188571618]

約数ペア:

[(1, 188571618), (2, 94285809), (3, 62857206), (6, 31428603), (9, 20952402), (18, 10476201), (19, 9924822), (23, 8198766), (27, 6984134), (38, 4962411), (46, 4099383), (54, 3492067), (57, 3308274), (61, 3091338), (69, 2732922), (114, 1654137), (122, 1545669), (131, 1439478), (138, 1366461), (171, 1102758), (183, 1030446), (207, 910974), (262, 719739), (342, 551379), (366, 515223), (393, 479826), (414, 455487), (437, 431514), (513, 367586), (549, 343482), (621, 303658), (786, 239913), (874, 215757), (1026, 183793), (1098, 171741), (1159, 162702), (1179, 159942), (1242, 151829), (1311, 143838), (1403, 134406), (1647, 114494), (2318, 81351), (2358, 79971), (2489, 75762), (2622, 71919), (2806, 67203), (3013, 62586), (3294, 57247), (3477, 54234), (3537, 53314), (3933, 47946), (4209, 44802), (4978, 37881), (6026, 31293), (6954, 27117), (7074, 26657), (7467, 25254), (7866, 23973), (7991, 23598), (8418, 22401), (9039, 20862), (10431, 18078), (11799, 15982), (12627, 14934)]