19741760

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1$

素因数の和:244

約数の個数: 112

約数和(自身を含む): 52669440

約数和(自身を除く): 32927680

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 32, 34, 38, 40, 64, 68, 76, 80, 85, 95, 136, 152, 160, 170, 190, 191, 272, 304, 320, 323, 340, 380, 382, 544, 608, 646, 680, 760, 764, 955, 1088, 1216, 1292, 1360, 1520, 1528, 1615, 1910, 2584, 2720, 3040, 3056, 3230, 3247, 3629, 3820, 5168, 5440, 6080, 6112, 6460, 6494, 7258, 7640, 10336, 12224, 12920, 12988, 14516, 15280, 16235, 18145, 20672, 25840, 25976, 29032, 30560, 32470, 36290, 51680, 51952, 58064, 61120, 61693, 64940, 72580, 103360, 103904, 116128, 123386, 129880, 145160, 207808, 232256, 246772, 259760, 290320, 308465, 493544, 519520, 580640, 616930, 987088, 1039040, 1161280, 1233860, 1974176, 2467720, 3948352, 4935440, 9870880, 19741760]

約数ペア:

[(1, 19741760), (2, 9870880), (4, 4935440), (5, 3948352), (8, 2467720), (10, 1974176), (16, 1233860), (17, 1161280), (19, 1039040), (20, 987088), (32, 616930), (34, 580640), (38, 519520), (40, 493544), (64, 308465), (68, 290320), (76, 259760), (80, 246772), (85, 232256), (95, 207808), (136, 145160), (152, 129880), (160, 123386), (170, 116128), (190, 103904), (191, 103360), (272, 72580), (304, 64940), (320, 61693), (323, 61120), (340, 58064), (380, 51952), (382, 51680), (544, 36290), (608, 32470), (646, 30560), (680, 29032), (760, 25976), (764, 25840), (955, 20672), (1088, 18145), (1216, 16235), (1292, 15280), (1360, 14516), (1520, 12988), (1528, 12920), (1615, 12224), (1910, 10336), (2584, 7640), (2720, 7258), (3040, 6494), (3056, 6460), (3230, 6112), (3247, 6080), (3629, 5440), (3820, 5168)]