19239840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1$

素因数の和:483

約数の個数: 144

約数和(自身を含む): 67931136

約数和(自身を除く): 48691296

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 96, 120, 124, 144, 155, 160, 180, 186, 240, 248, 279, 288, 310, 360, 372, 431, 465, 480, 496, 558, 620, 720, 744, 862, 930, 992, 1116, 1240, 1293, 1395, 1440, 1488, 1724, 1860, 2155, 2232, 2480, 2586, 2790, 2976, 3448, 3720, 3879, 4310, 4464, 4960, 5172, 5580, 6465, 6896, 7440, 7758, 8620, 8928, 10344, 11160, 12930, 13361, 13792, 14880, 15516, 17240, 19395, 20688, 22320, 25860, 26722, 31032, 34480, 38790, 40083, 41376, 44640, 51720, 53444, 62064, 66805, 68960, 77580, 80166, 103440, 106888, 120249, 124128, 133610, 155160, 160332, 200415, 206880, 213776, 240498, 267220, 310320, 320664, 400830, 427552, 480996, 534440, 601245, 620640, 641328, 801660, 961992, 1068880, 1202490, 1282656, 1603320, 1923984, 2137760, 2404980, 3206640, 3847968, 4809960, 6413280, 9619920, 19239840]

約数ペア:

[(1, 19239840), (2, 9619920), (3, 6413280), (4, 4809960), (5, 3847968), (6, 3206640), (8, 2404980), (9, 2137760), (10, 1923984), (12, 1603320), (15, 1282656), (16, 1202490), (18, 1068880), (20, 961992), (24, 801660), (30, 641328), (31, 620640), (32, 601245), (36, 534440), (40, 480996), (45, 427552), (48, 400830), (60, 320664), (62, 310320), (72, 267220), (80, 240498), (90, 213776), (93, 206880), (96, 200415), (120, 160332), (124, 155160), (144, 133610), (155, 124128), (160, 120249), (180, 106888), (186, 103440), (240, 80166), (248, 77580), (279, 68960), (288, 66805), (310, 62064), (360, 53444), (372, 51720), (431, 44640), (465, 41376), (480, 40083), (496, 38790), (558, 34480), (620, 31032), (720, 26722), (744, 25860), (862, 22320), (930, 20688), (992, 19395), (1116, 17240), (1240, 15516), (1293, 14880), (1395, 13792), (1440, 13361), (1488, 12930), (1724, 11160), (1860, 10344), (2155, 8928), (2232, 8620), (2480, 7758), (2586, 7440), (2790, 6896), (2976, 6465), (3448, 5580), (3720, 5172), (3879, 4960), (4310, 4464)]