19720604808

素因数分解:

$2^3\times 3^2\times {\mathrm{131}}^1\times {\mathrm{353}}^1\times {\mathrm{5923}}^1$

素因数の和:6419

約数の個数: 96

約数和(自身を含む): 53979251040

約数和(自身を除く): 34258646232

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 131, 262, 353, 393, 524, 706, 786, 1048, 1059, 1179, 1412, 1572, 2118, 2358, 2824, 3144, 3177, 4236, 4716, 5923, 6354, 8472, 9432, 11846, 12708, 17769, 23692, 25416, 35538, 46243, 47384, 53307, 71076, 92486, 106614, 138729, 142152, 184972, 213228, 277458, 369944, 416187, 426456, 554916, 775913, 832374, 1109832, 1551826, 1664748, 2090819, 2327739, 3103652, 3329496, 4181638, 4655478, 6207304, 6272457, 6983217, 8363276, 9310956, 12544914, 13966434, 16726552, 18621912, 18817371, 25089828, 27932868, 37634742, 50179656, 55865736, 75269484, 150538968, 273897289, 547794578, 821691867, 1095589156, 1643383734, 2191178312, 2465075601, 3286767468, 4930151202, 6573534936, 9860302404, 19720604808]

約数ペア:

[(1, 19720604808), (2, 9860302404), (3, 6573534936), (4, 4930151202), (6, 3286767468), (8, 2465075601), (9, 2191178312), (12, 1643383734), (18, 1095589156), (24, 821691867), (36, 547794578), (72, 273897289), (131, 150538968), (262, 75269484), (353, 55865736), (393, 50179656), (524, 37634742), (706, 27932868), (786, 25089828), (1048, 18817371), (1059, 18621912), (1179, 16726552), (1412, 13966434), (1572, 12544914), (2118, 9310956), (2358, 8363276), (2824, 6983217), (3144, 6272457), (3177, 6207304), (4236, 4655478), (4716, 4181638), (5923, 3329496), (6354, 3103652), (8472, 2327739), (9432, 2090819), (11846, 1664748), (12708, 1551826), (17769, 1109832), (23692, 832374), (25416, 775913), (35538, 554916), (46243, 426456), (47384, 416187), (53307, 369944), (71076, 277458), (92486, 213228), (106614, 184972), (138729, 142152)]