19508724

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{251}}^1$

素因数の和:405

約数の個数: 72

約数和(自身を含む): 52835328

約数和(自身を除く): 33326604

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 127, 153, 204, 251, 254, 306, 381, 502, 508, 612, 753, 762, 1004, 1143, 1506, 1524, 2159, 2259, 2286, 3012, 4267, 4318, 4518, 4572, 6477, 8534, 8636, 9036, 12801, 12954, 17068, 19431, 25602, 25908, 31877, 38403, 38862, 51204, 63754, 76806, 77724, 95631, 127508, 153612, 191262, 286893, 382524, 541909, 573786, 1083818, 1147572, 1625727, 2167636, 3251454, 4877181, 6502908, 9754362, 19508724]

約数ペア:

[(1, 19508724), (2, 9754362), (3, 6502908), (4, 4877181), (6, 3251454), (9, 2167636), (12, 1625727), (17, 1147572), (18, 1083818), (34, 573786), (36, 541909), (51, 382524), (68, 286893), (102, 191262), (127, 153612), (153, 127508), (204, 95631), (251, 77724), (254, 76806), (306, 63754), (381, 51204), (502, 38862), (508, 38403), (612, 31877), (753, 25908), (762, 25602), (1004, 19431), (1143, 17068), (1506, 12954), (1524, 12801), (2159, 9036), (2259, 8636), (2286, 8534), (3012, 6477), (4267, 4572), (4318, 4518)]