19503216

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:319

約数の個数: 120

約数和(自身を含む): 59889024

約数和(自身を除く): 40385808

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 31, 34, 36, 48, 51, 62, 68, 72, 93, 102, 124, 136, 144, 153, 186, 204, 248, 257, 272, 279, 306, 372, 408, 496, 514, 527, 558, 612, 744, 771, 816, 1028, 1054, 1116, 1224, 1488, 1542, 1581, 2056, 2108, 2232, 2313, 2448, 3084, 3162, 4112, 4216, 4369, 4464, 4626, 4743, 6168, 6324, 7967, 8432, 8738, 9252, 9486, 12336, 12648, 13107, 15934, 17476, 18504, 18972, 23901, 25296, 26214, 31868, 34952, 37008, 37944, 39321, 47802, 52428, 63736, 69904, 71703, 75888, 78642, 95604, 104856, 127472, 135439, 143406, 157284, 191208, 209712, 270878, 286812, 314568, 382416, 406317, 541756, 573624, 629136, 812634, 1083512, 1147248, 1218951, 1625268, 2167024, 2437902, 3250536, 4875804, 6501072, 9751608, 19503216]

約数ペア:

[(1, 19503216), (2, 9751608), (3, 6501072), (4, 4875804), (6, 3250536), (8, 2437902), (9, 2167024), (12, 1625268), (16, 1218951), (17, 1147248), (18, 1083512), (24, 812634), (31, 629136), (34, 573624), (36, 541756), (48, 406317), (51, 382416), (62, 314568), (68, 286812), (72, 270878), (93, 209712), (102, 191208), (124, 157284), (136, 143406), (144, 135439), (153, 127472), (186, 104856), (204, 95604), (248, 78642), (257, 75888), (272, 71703), (279, 69904), (306, 63736), (372, 52428), (408, 47802), (496, 39321), (514, 37944), (527, 37008), (558, 34952), (612, 31868), (744, 26214), (771, 25296), (816, 23901), (1028, 18972), (1054, 18504), (1116, 17476), (1224, 15934), (1488, 13107), (1542, 12648), (1581, 12336), (2056, 9486), (2108, 9252), (2232, 8738), (2313, 8432), (2448, 7967), (3084, 6324), (3162, 6168), (4112, 4743), (4216, 4626), (4369, 4464)]