19481359700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{1373}}^1\times {\mathrm{12899}}^1$

素因数の和:14297

約数の個数: 72

約数和(自身を含む): 46154858400

約数和(自身を除く): 26673498700

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 1100, 1373, 2746, 5492, 6865, 12899, 13730, 15103, 25798, 27460, 30206, 34325, 51596, 60412, 64495, 68650, 75515, 128990, 137300, 141889, 151030, 257980, 283778, 302060, 322475, 377575, 567556, 644950, 709445, 755150, 1289900, 1418890, 1510300, 2837780, 3547225, 7094450, 14188900, 17710327, 35420654, 70841308, 88551635, 177103270, 194813597, 354206540, 389627194, 442758175, 779254388, 885516350, 974067985, 1771032700, 1948135970, 3896271940, 4870339925, 9740679850, 19481359700]

約数ペア:

[(1, 19481359700), (2, 9740679850), (4, 4870339925), (5, 3896271940), (10, 1948135970), (11, 1771032700), (20, 974067985), (22, 885516350), (25, 779254388), (44, 442758175), (50, 389627194), (55, 354206540), (100, 194813597), (110, 177103270), (220, 88551635), (275, 70841308), (550, 35420654), (1100, 17710327), (1373, 14188900), (2746, 7094450), (5492, 3547225), (6865, 2837780), (12899, 1510300), (13730, 1418890), (15103, 1289900), (25798, 755150), (27460, 709445), (30206, 644950), (34325, 567556), (51596, 377575), (60412, 322475), (64495, 302060), (68650, 283778), (75515, 257980), (128990, 151030), (137300, 141889)]