19453120

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:138

約数の個数: 112

約数和(自身を含む): 50035968

約数和(自身を除く): 30582848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 37, 40, 53, 62, 64, 74, 80, 106, 124, 148, 155, 160, 185, 212, 248, 265, 296, 310, 320, 370, 424, 496, 530, 592, 620, 740, 848, 992, 1060, 1147, 1184, 1240, 1480, 1643, 1696, 1961, 1984, 2120, 2294, 2368, 2480, 2960, 3286, 3392, 3922, 4240, 4588, 4960, 5735, 5920, 6572, 7844, 8215, 8480, 9176, 9805, 9920, 11470, 11840, 13144, 15688, 16430, 16960, 18352, 19610, 22940, 26288, 31376, 32860, 36704, 39220, 45880, 52576, 60791, 62752, 65720, 73408, 78440, 91760, 105152, 121582, 125504, 131440, 156880, 183520, 243164, 262880, 303955, 313760, 367040, 486328, 525760, 607910, 627520, 972656, 1215820, 1945312, 2431640, 3890624, 4863280, 9726560, 19453120]

約数ペア:

[(1, 19453120), (2, 9726560), (4, 4863280), (5, 3890624), (8, 2431640), (10, 1945312), (16, 1215820), (20, 972656), (31, 627520), (32, 607910), (37, 525760), (40, 486328), (53, 367040), (62, 313760), (64, 303955), (74, 262880), (80, 243164), (106, 183520), (124, 156880), (148, 131440), (155, 125504), (160, 121582), (185, 105152), (212, 91760), (248, 78440), (265, 73408), (296, 65720), (310, 62752), (320, 60791), (370, 52576), (424, 45880), (496, 39220), (530, 36704), (592, 32860), (620, 31376), (740, 26288), (848, 22940), (992, 19610), (1060, 18352), (1147, 16960), (1184, 16430), (1240, 15688), (1480, 13144), (1643, 11840), (1696, 11470), (1961, 9920), (1984, 9805), (2120, 9176), (2294, 8480), (2368, 8215), (2480, 7844), (2960, 6572), (3286, 5920), (3392, 5735), (3922, 4960), (4240, 4588)]