18751900

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1$

素因数の和:331

約数の個数: 72

約数和(自身を含む): 43997184

約数和(自身を除く): 25245284

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 31, 46, 50, 62, 92, 100, 115, 124, 155, 230, 263, 310, 460, 526, 575, 620, 713, 775, 1052, 1150, 1315, 1426, 1550, 2300, 2630, 2852, 3100, 3565, 5260, 6049, 6575, 7130, 8153, 12098, 13150, 14260, 16306, 17825, 24196, 26300, 30245, 32612, 35650, 40765, 60490, 71300, 81530, 120980, 151225, 163060, 187519, 203825, 302450, 375038, 407650, 604900, 750076, 815300, 937595, 1875190, 3750380, 4687975, 9375950, 18751900]

約数ペア:

[(1, 18751900), (2, 9375950), (4, 4687975), (5, 3750380), (10, 1875190), (20, 937595), (23, 815300), (25, 750076), (31, 604900), (46, 407650), (50, 375038), (62, 302450), (92, 203825), (100, 187519), (115, 163060), (124, 151225), (155, 120980), (230, 81530), (263, 71300), (310, 60490), (460, 40765), (526, 35650), (575, 32612), (620, 30245), (713, 26300), (775, 24196), (1052, 17825), (1150, 16306), (1315, 14260), (1426, 13150), (1550, 12098), (2300, 8153), (2630, 7130), (2852, 6575), (3100, 6049), (3565, 5260)]