19849440

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3181}}^1$

素因数の和:3212

約数の個数: 96

約数和(自身を含む): 67356576

約数和(自身を除く): 47507136

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 65, 78, 80, 96, 104, 120, 130, 156, 160, 195, 208, 240, 260, 312, 390, 416, 480, 520, 624, 780, 1040, 1248, 1560, 2080, 3120, 3181, 6240, 6362, 9543, 12724, 15905, 19086, 25448, 31810, 38172, 41353, 47715, 50896, 63620, 76344, 82706, 95430, 101792, 124059, 127240, 152688, 165412, 190860, 206765, 248118, 254480, 305376, 330824, 381720, 413530, 496236, 508960, 620295, 661648, 763440, 827060, 992472, 1240590, 1323296, 1526880, 1654120, 1984944, 2481180, 3308240, 3969888, 4962360, 6616480, 9924720, 19849440]

約数ペア:

[(1, 19849440), (2, 9924720), (3, 6616480), (4, 4962360), (5, 3969888), (6, 3308240), (8, 2481180), (10, 1984944), (12, 1654120), (13, 1526880), (15, 1323296), (16, 1240590), (20, 992472), (24, 827060), (26, 763440), (30, 661648), (32, 620295), (39, 508960), (40, 496236), (48, 413530), (52, 381720), (60, 330824), (65, 305376), (78, 254480), (80, 248118), (96, 206765), (104, 190860), (120, 165412), (130, 152688), (156, 127240), (160, 124059), (195, 101792), (208, 95430), (240, 82706), (260, 76344), (312, 63620), (390, 50896), (416, 47715), (480, 41353), (520, 38172), (624, 31810), (780, 25448), (1040, 19086), (1248, 15905), (1560, 12724), (2080, 9543), (3120, 6362), (3181, 6240)]