18984800

素因数分解:

$2^5\times 5^2\times {\mathrm{19}}^1\times {\mathrm{1249}}^1$

素因数の和:1288

約数の個数: 72

約数和(自身を含む): 48825000

約数和(自身を除く): 29840200

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 76, 80, 95, 100, 152, 160, 190, 200, 304, 380, 400, 475, 608, 760, 800, 950, 1249, 1520, 1900, 2498, 3040, 3800, 4996, 6245, 7600, 9992, 12490, 15200, 19984, 23731, 24980, 31225, 39968, 47462, 49960, 62450, 94924, 99920, 118655, 124900, 189848, 199840, 237310, 249800, 379696, 474620, 499600, 593275, 759392, 949240, 999200, 1186550, 1898480, 2373100, 3796960, 4746200, 9492400, 18984800]

約数ペア:

[(1, 18984800), (2, 9492400), (4, 4746200), (5, 3796960), (8, 2373100), (10, 1898480), (16, 1186550), (19, 999200), (20, 949240), (25, 759392), (32, 593275), (38, 499600), (40, 474620), (50, 379696), (76, 249800), (80, 237310), (95, 199840), (100, 189848), (152, 124900), (160, 118655), (190, 99920), (200, 94924), (304, 62450), (380, 49960), (400, 47462), (475, 39968), (608, 31225), (760, 24980), (800, 23731), (950, 19984), (1249, 15200), (1520, 12490), (1900, 9992), (2498, 7600), (3040, 6245), (3800, 4996)]