19449972

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{521}}^1$

素因数の和:609

約数の個数: 72

約数和(自身を含む): 53012232

約数和(自身を除く): 33562260

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 61, 68, 102, 122, 153, 183, 204, 244, 306, 366, 521, 549, 612, 732, 1037, 1042, 1098, 1563, 2074, 2084, 2196, 3111, 3126, 4148, 4689, 6222, 6252, 8857, 9333, 9378, 12444, 17714, 18666, 18756, 26571, 31781, 35428, 37332, 53142, 63562, 79713, 95343, 106284, 127124, 159426, 190686, 286029, 318852, 381372, 540277, 572058, 1080554, 1144116, 1620831, 2161108, 3241662, 4862493, 6483324, 9724986, 19449972]

約数ペア:

[(1, 19449972), (2, 9724986), (3, 6483324), (4, 4862493), (6, 3241662), (9, 2161108), (12, 1620831), (17, 1144116), (18, 1080554), (34, 572058), (36, 540277), (51, 381372), (61, 318852), (68, 286029), (102, 190686), (122, 159426), (153, 127124), (183, 106284), (204, 95343), (244, 79713), (306, 63562), (366, 53142), (521, 37332), (549, 35428), (612, 31781), (732, 26571), (1037, 18756), (1042, 18666), (1098, 17714), (1563, 12444), (2074, 9378), (2084, 9333), (2196, 8857), (3111, 6252), (3126, 6222), (4148, 4689)]