19168968

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:227

約数の個数: 128

約数和(自身を含む): 60318720

約数和(自身を除く): 41149752

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 67, 78, 84, 91, 104, 131, 134, 156, 168, 182, 201, 262, 268, 273, 312, 364, 393, 402, 469, 524, 536, 546, 728, 786, 804, 871, 917, 938, 1048, 1092, 1407, 1572, 1608, 1703, 1742, 1834, 1876, 2184, 2613, 2751, 2814, 3144, 3406, 3484, 3668, 3752, 5109, 5226, 5502, 5628, 6097, 6812, 6968, 7336, 8777, 10218, 10452, 11004, 11256, 11921, 12194, 13624, 17554, 18291, 20436, 20904, 22008, 23842, 24388, 26331, 35108, 35763, 36582, 40872, 47684, 48776, 52662, 61439, 70216, 71526, 73164, 95368, 105324, 114101, 122878, 143052, 146328, 184317, 210648, 228202, 245756, 286104, 342303, 368634, 456404, 491512, 684606, 737268, 798707, 912808, 1369212, 1474536, 1597414, 2396121, 2738424, 3194828, 4792242, 6389656, 9584484, 19168968]

約数ペア:

[(1, 19168968), (2, 9584484), (3, 6389656), (4, 4792242), (6, 3194828), (7, 2738424), (8, 2396121), (12, 1597414), (13, 1474536), (14, 1369212), (21, 912808), (24, 798707), (26, 737268), (28, 684606), (39, 491512), (42, 456404), (52, 368634), (56, 342303), (67, 286104), (78, 245756), (84, 228202), (91, 210648), (104, 184317), (131, 146328), (134, 143052), (156, 122878), (168, 114101), (182, 105324), (201, 95368), (262, 73164), (268, 71526), (273, 70216), (312, 61439), (364, 52662), (393, 48776), (402, 47684), (469, 40872), (524, 36582), (536, 35763), (546, 35108), (728, 26331), (786, 24388), (804, 23842), (871, 22008), (917, 20904), (938, 20436), (1048, 18291), (1092, 17554), (1407, 13624), (1572, 12194), (1608, 11921), (1703, 11256), (1742, 11004), (1834, 10452), (1876, 10218), (2184, 8777), (2613, 7336), (2751, 6968), (2814, 6812), (3144, 6097), (3406, 5628), (3484, 5502), (3668, 5226), (3752, 5109)]