19944750

素因数分解:

$2^1\times 3^1\times 5^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1$

素因数の和:187

約数の個数: 128

約数和(自身を含む): 59304960

約数和(自身を除く): 39360210

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 29, 30, 35, 42, 50, 58, 70, 75, 87, 105, 125, 131, 145, 150, 174, 175, 203, 210, 250, 262, 290, 350, 375, 393, 406, 435, 525, 609, 655, 725, 750, 786, 870, 875, 917, 1015, 1050, 1218, 1310, 1450, 1750, 1834, 1965, 2030, 2175, 2625, 2751, 3045, 3275, 3625, 3799, 3930, 4350, 4585, 5075, 5250, 5502, 6090, 6550, 7250, 7598, 9170, 9825, 10150, 10875, 11397, 13755, 15225, 16375, 18995, 19650, 21750, 22794, 22925, 25375, 26593, 27510, 30450, 32750, 37990, 45850, 49125, 50750, 53186, 56985, 68775, 76125, 79779, 94975, 98250, 113970, 114625, 132965, 137550, 152250, 159558, 189950, 229250, 265930, 284925, 343875, 398895, 474875, 569850, 664825, 687750, 797790, 949750, 1329650, 1424625, 1994475, 2849250, 3324125, 3988950, 6648250, 9972375, 19944750]

約数ペア:

[(1, 19944750), (2, 9972375), (3, 6648250), (5, 3988950), (6, 3324125), (7, 2849250), (10, 1994475), (14, 1424625), (15, 1329650), (21, 949750), (25, 797790), (29, 687750), (30, 664825), (35, 569850), (42, 474875), (50, 398895), (58, 343875), (70, 284925), (75, 265930), (87, 229250), (105, 189950), (125, 159558), (131, 152250), (145, 137550), (150, 132965), (174, 114625), (175, 113970), (203, 98250), (210, 94975), (250, 79779), (262, 76125), (290, 68775), (350, 56985), (375, 53186), (393, 50750), (406, 49125), (435, 45850), (525, 37990), (609, 32750), (655, 30450), (725, 27510), (750, 26593), (786, 25375), (870, 22925), (875, 22794), (917, 21750), (1015, 19650), (1050, 18995), (1218, 16375), (1310, 15225), (1450, 13755), (1750, 11397), (1834, 10875), (1965, 10150), (2030, 9825), (2175, 9170), (2625, 7598), (2751, 7250), (3045, 6550), (3275, 6090), (3625, 5502), (3799, 5250), (3930, 5075), (4350, 4585)]