18719400

素因数分解:

$2^3\times 3^1\times 5^2\times 7^1\times {\mathrm{4457}}^1$

素因数の和:4483

約数の個数: 96

約数和(自身を含む): 66335040

約数和(自身を除く): 47615640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 50, 56, 60, 70, 75, 84, 100, 105, 120, 140, 150, 168, 175, 200, 210, 280, 300, 350, 420, 525, 600, 700, 840, 1050, 1400, 2100, 4200, 4457, 8914, 13371, 17828, 22285, 26742, 31199, 35656, 44570, 53484, 62398, 66855, 89140, 93597, 106968, 111425, 124796, 133710, 155995, 178280, 187194, 222850, 249592, 267420, 311990, 334275, 374388, 445700, 467985, 534840, 623980, 668550, 748776, 779975, 891400, 935970, 1247960, 1337100, 1559950, 1871940, 2339925, 2674200, 3119900, 3743880, 4679850, 6239800, 9359700, 18719400]

約数ペア:

[(1, 18719400), (2, 9359700), (3, 6239800), (4, 4679850), (5, 3743880), (6, 3119900), (7, 2674200), (8, 2339925), (10, 1871940), (12, 1559950), (14, 1337100), (15, 1247960), (20, 935970), (21, 891400), (24, 779975), (25, 748776), (28, 668550), (30, 623980), (35, 534840), (40, 467985), (42, 445700), (50, 374388), (56, 334275), (60, 311990), (70, 267420), (75, 249592), (84, 222850), (100, 187194), (105, 178280), (120, 155995), (140, 133710), (150, 124796), (168, 111425), (175, 106968), (200, 93597), (210, 89140), (280, 66855), (300, 62398), (350, 53484), (420, 44570), (525, 35656), (600, 31199), (700, 26742), (840, 22285), (1050, 17828), (1400, 13371), (2100, 8914), (4200, 4457)]