19848240

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{1021}}^1$

素因数の和:1049

約数の個数: 120

約数和(自身を含む): 69193488

約数和(自身を除く): 49345248

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 243, 270, 324, 360, 405, 432, 486, 540, 648, 720, 810, 972, 1021, 1080, 1215, 1296, 1620, 1944, 2042, 2160, 2430, 3063, 3240, 3888, 4084, 4860, 5105, 6126, 6480, 8168, 9189, 9720, 10210, 12252, 15315, 16336, 18378, 19440, 20420, 24504, 27567, 30630, 36756, 40840, 45945, 49008, 55134, 61260, 73512, 81680, 82701, 91890, 110268, 122520, 137835, 147024, 165402, 183780, 220536, 245040, 248103, 275670, 330804, 367560, 413505, 441072, 496206, 551340, 661608, 735120, 827010, 992412, 1102680, 1240515, 1323216, 1654020, 1984824, 2205360, 2481030, 3308040, 3969648, 4962060, 6616080, 9924120, 19848240]

約数ペア:

[(1, 19848240), (2, 9924120), (3, 6616080), (4, 4962060), (5, 3969648), (6, 3308040), (8, 2481030), (9, 2205360), (10, 1984824), (12, 1654020), (15, 1323216), (16, 1240515), (18, 1102680), (20, 992412), (24, 827010), (27, 735120), (30, 661608), (36, 551340), (40, 496206), (45, 441072), (48, 413505), (54, 367560), (60, 330804), (72, 275670), (80, 248103), (81, 245040), (90, 220536), (108, 183780), (120, 165402), (135, 147024), (144, 137835), (162, 122520), (180, 110268), (216, 91890), (240, 82701), (243, 81680), (270, 73512), (324, 61260), (360, 55134), (405, 49008), (432, 45945), (486, 40840), (540, 36756), (648, 30630), (720, 27567), (810, 24504), (972, 20420), (1021, 19440), (1080, 18378), (1215, 16336), (1296, 15315), (1620, 12252), (1944, 10210), (2042, 9720), (2160, 9189), (2430, 8168), (3063, 6480), (3240, 6126), (3888, 5105), (4084, 4860)]