18723744

素因数分解:

$2^5\times 3^3\times {\mathrm{13}}^1\times {\mathrm{1667}}^1$

素因数の和:1699

約数の個数: 96

約数和(自身を含む): 58847040

約数和(自身を除く): 40123296

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 72, 78, 96, 104, 108, 117, 144, 156, 208, 216, 234, 288, 312, 351, 416, 432, 468, 624, 702, 864, 936, 1248, 1404, 1667, 1872, 2808, 3334, 3744, 5001, 5616, 6668, 10002, 11232, 13336, 15003, 20004, 21671, 26672, 30006, 40008, 43342, 45009, 53344, 60012, 65013, 80016, 86684, 90018, 120024, 130026, 160032, 173368, 180036, 195039, 240048, 260052, 346736, 360072, 390078, 480096, 520104, 585117, 693472, 720144, 780156, 1040208, 1170234, 1440288, 1560312, 2080416, 2340468, 3120624, 4680936, 6241248, 9361872, 18723744]

約数ペア:

[(1, 18723744), (2, 9361872), (3, 6241248), (4, 4680936), (6, 3120624), (8, 2340468), (9, 2080416), (12, 1560312), (13, 1440288), (16, 1170234), (18, 1040208), (24, 780156), (26, 720144), (27, 693472), (32, 585117), (36, 520104), (39, 480096), (48, 390078), (52, 360072), (54, 346736), (72, 260052), (78, 240048), (96, 195039), (104, 180036), (108, 173368), (117, 160032), (144, 130026), (156, 120024), (208, 90018), (216, 86684), (234, 80016), (288, 65013), (312, 60012), (351, 53344), (416, 45009), (432, 43342), (468, 40008), (624, 30006), (702, 26672), (864, 21671), (936, 20004), (1248, 15003), (1404, 13336), (1667, 11232), (1872, 10002), (2808, 6668), (3334, 5616), (3744, 5001)]