19170736

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:158

約数の個数: 80

約数和(自身を含む): 42747264

約数和(自身を除く): 23576528

約数列:

[1, 2, 4, 8, 13, 16, 26, 37, 47, 52, 53, 74, 94, 104, 106, 148, 188, 208, 212, 296, 376, 424, 481, 592, 611, 689, 752, 848, 962, 1222, 1378, 1739, 1924, 1961, 2444, 2491, 2756, 3478, 3848, 3922, 4888, 4982, 5512, 6956, 7696, 7844, 9776, 9964, 11024, 13912, 15688, 19928, 22607, 25493, 27824, 31376, 32383, 39856, 45214, 50986, 64766, 90428, 92167, 101972, 129532, 180856, 184334, 203944, 259064, 361712, 368668, 407888, 518128, 737336, 1198171, 1474672, 2396342, 4792684, 9585368, 19170736]

約数ペア:

[(1, 19170736), (2, 9585368), (4, 4792684), (8, 2396342), (13, 1474672), (16, 1198171), (26, 737336), (37, 518128), (47, 407888), (52, 368668), (53, 361712), (74, 259064), (94, 203944), (104, 184334), (106, 180856), (148, 129532), (188, 101972), (208, 92167), (212, 90428), (296, 64766), (376, 50986), (424, 45214), (481, 39856), (592, 32383), (611, 31376), (689, 27824), (752, 25493), (848, 22607), (962, 19928), (1222, 15688), (1378, 13912), (1739, 11024), (1924, 9964), (1961, 9776), (2444, 7844), (2491, 7696), (2756, 6956), (3478, 5512), (3848, 4982), (3922, 4888)]