19794500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:150

約数の個数: 96

約数和(自身を含む): 48746880

約数和(自身を除く): 28952380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 59, 61, 100, 110, 118, 122, 125, 220, 236, 244, 250, 275, 295, 305, 500, 550, 590, 610, 649, 671, 1100, 1180, 1220, 1298, 1342, 1375, 1475, 1525, 2596, 2684, 2750, 2950, 3050, 3245, 3355, 3599, 5500, 5900, 6100, 6490, 6710, 7198, 7375, 7625, 12980, 13420, 14396, 14750, 15250, 16225, 16775, 17995, 29500, 30500, 32450, 33550, 35990, 39589, 64900, 67100, 71980, 79178, 81125, 83875, 89975, 158356, 162250, 167750, 179950, 197945, 324500, 335500, 359900, 395890, 449875, 791780, 899750, 989725, 1799500, 1979450, 3958900, 4948625, 9897250, 19794500]

約数ペア:

[(1, 19794500), (2, 9897250), (4, 4948625), (5, 3958900), (10, 1979450), (11, 1799500), (20, 989725), (22, 899750), (25, 791780), (44, 449875), (50, 395890), (55, 359900), (59, 335500), (61, 324500), (100, 197945), (110, 179950), (118, 167750), (122, 162250), (125, 158356), (220, 89975), (236, 83875), (244, 81125), (250, 79178), (275, 71980), (295, 67100), (305, 64900), (500, 39589), (550, 35990), (590, 33550), (610, 32450), (649, 30500), (671, 29500), (1100, 17995), (1180, 16775), (1220, 16225), (1298, 15250), (1342, 14750), (1375, 14396), (1475, 13420), (1525, 12980), (2596, 7625), (2684, 7375), (2750, 7198), (2950, 6710), (3050, 6490), (3245, 6100), (3355, 5900), (3599, 5500)]