19481760

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1$

素因数の和:267

約数の個数: 144

約数和(自身を含む): 67695264

約数和(自身を除く): 48213504

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 83, 90, 96, 120, 144, 160, 163, 166, 180, 240, 249, 288, 326, 332, 360, 415, 480, 489, 498, 652, 664, 720, 747, 815, 830, 978, 996, 1245, 1304, 1328, 1440, 1467, 1494, 1630, 1660, 1956, 1992, 2445, 2490, 2608, 2656, 2934, 2988, 3260, 3320, 3735, 3912, 3984, 4890, 4980, 5216, 5868, 5976, 6520, 6640, 7335, 7470, 7824, 7968, 9780, 9960, 11736, 11952, 13040, 13280, 13529, 14670, 14940, 15648, 19560, 19920, 23472, 23904, 26080, 27058, 29340, 29880, 39120, 39840, 40587, 46944, 54116, 58680, 59760, 67645, 78240, 81174, 108232, 117360, 119520, 121761, 135290, 162348, 202935, 216464, 234720, 243522, 270580, 324696, 405870, 432928, 487044, 541160, 608805, 649392, 811740, 974088, 1082320, 1217610, 1298784, 1623480, 1948176, 2164640, 2435220, 3246960, 3896352, 4870440, 6493920, 9740880, 19481760]

約数ペア:

[(1, 19481760), (2, 9740880), (3, 6493920), (4, 4870440), (5, 3896352), (6, 3246960), (8, 2435220), (9, 2164640), (10, 1948176), (12, 1623480), (15, 1298784), (16, 1217610), (18, 1082320), (20, 974088), (24, 811740), (30, 649392), (32, 608805), (36, 541160), (40, 487044), (45, 432928), (48, 405870), (60, 324696), (72, 270580), (80, 243522), (83, 234720), (90, 216464), (96, 202935), (120, 162348), (144, 135290), (160, 121761), (163, 119520), (166, 117360), (180, 108232), (240, 81174), (249, 78240), (288, 67645), (326, 59760), (332, 58680), (360, 54116), (415, 46944), (480, 40587), (489, 39840), (498, 39120), (652, 29880), (664, 29340), (720, 27058), (747, 26080), (815, 23904), (830, 23472), (978, 19920), (996, 19560), (1245, 15648), (1304, 14940), (1328, 14670), (1440, 13529), (1467, 13280), (1494, 13040), (1630, 11952), (1660, 11736), (1956, 9960), (1992, 9780), (2445, 7968), (2490, 7824), (2608, 7470), (2656, 7335), (2934, 6640), (2988, 6520), (3260, 5976), (3320, 5868), (3735, 5216), (3912, 4980), (3984, 4890)]