18902560

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:186

約数の個数: 96

約数和(自身を含む): 47803392

約数和(自身を除く): 28900832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 37, 40, 62, 74, 80, 103, 124, 148, 155, 160, 185, 206, 248, 296, 310, 370, 412, 496, 515, 592, 620, 740, 824, 992, 1030, 1147, 1184, 1240, 1480, 1648, 2060, 2294, 2480, 2960, 3193, 3296, 3811, 4120, 4588, 4960, 5735, 5920, 6386, 7622, 8240, 9176, 11470, 12772, 15244, 15965, 16480, 18352, 19055, 22940, 25544, 30488, 31930, 36704, 38110, 45880, 51088, 60976, 63860, 76220, 91760, 102176, 118141, 121952, 127720, 152440, 183520, 236282, 255440, 304880, 472564, 510880, 590705, 609760, 945128, 1181410, 1890256, 2362820, 3780512, 4725640, 9451280, 18902560]

約数ペア:

[(1, 18902560), (2, 9451280), (4, 4725640), (5, 3780512), (8, 2362820), (10, 1890256), (16, 1181410), (20, 945128), (31, 609760), (32, 590705), (37, 510880), (40, 472564), (62, 304880), (74, 255440), (80, 236282), (103, 183520), (124, 152440), (148, 127720), (155, 121952), (160, 118141), (185, 102176), (206, 91760), (248, 76220), (296, 63860), (310, 60976), (370, 51088), (412, 45880), (496, 38110), (515, 36704), (592, 31930), (620, 30488), (740, 25544), (824, 22940), (992, 19055), (1030, 18352), (1147, 16480), (1184, 15965), (1240, 15244), (1480, 12772), (1648, 11470), (2060, 9176), (2294, 8240), (2480, 7622), (2960, 6386), (3193, 5920), (3296, 5735), (3811, 4960), (4120, 4588)]