19851960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{8707}}^1$

素因数の和:8740

約数の個数: 64

約数和(自身を含む): 62697600

約数和(自身を除く): 42845640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 8707, 17414, 26121, 34828, 43535, 52242, 69656, 87070, 104484, 130605, 165433, 174140, 208968, 261210, 330866, 348280, 496299, 522420, 661732, 827165, 992598, 1044840, 1323464, 1654330, 1985196, 2481495, 3308660, 3970392, 4962990, 6617320, 9925980, 19851960]

約数ペア:

[(1, 19851960), (2, 9925980), (3, 6617320), (4, 4962990), (5, 3970392), (6, 3308660), (8, 2481495), (10, 1985196), (12, 1654330), (15, 1323464), (19, 1044840), (20, 992598), (24, 827165), (30, 661732), (38, 522420), (40, 496299), (57, 348280), (60, 330866), (76, 261210), (95, 208968), (114, 174140), (120, 165433), (152, 130605), (190, 104484), (228, 87070), (285, 69656), (380, 52242), (456, 43535), (570, 34828), (760, 26121), (1140, 17414), (2280, 8707)]