18914040

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{211}}^1$

素因数の和:314

約数の個数: 128

約数和(自身を含む): 64108800

約数和(自身を除く): 45194760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 83, 90, 108, 120, 135, 166, 180, 211, 216, 249, 270, 332, 360, 415, 422, 498, 540, 633, 664, 747, 830, 844, 996, 1055, 1080, 1245, 1266, 1494, 1660, 1688, 1899, 1992, 2110, 2241, 2490, 2532, 2988, 3165, 3320, 3735, 3798, 4220, 4482, 4980, 5064, 5697, 5976, 6330, 7470, 7596, 8440, 8964, 9495, 9960, 11205, 11394, 12660, 14940, 15192, 17513, 17928, 18990, 22410, 22788, 25320, 28485, 29880, 35026, 37980, 44820, 45576, 52539, 56970, 70052, 75960, 87565, 89640, 105078, 113940, 140104, 157617, 175130, 210156, 227880, 262695, 315234, 350260, 420312, 472851, 525390, 630468, 700520, 788085, 945702, 1050780, 1260936, 1576170, 1891404, 2101560, 2364255, 3152340, 3782808, 4728510, 6304680, 9457020, 18914040]

約数ペア:

[(1, 18914040), (2, 9457020), (3, 6304680), (4, 4728510), (5, 3782808), (6, 3152340), (8, 2364255), (9, 2101560), (10, 1891404), (12, 1576170), (15, 1260936), (18, 1050780), (20, 945702), (24, 788085), (27, 700520), (30, 630468), (36, 525390), (40, 472851), (45, 420312), (54, 350260), (60, 315234), (72, 262695), (83, 227880), (90, 210156), (108, 175130), (120, 157617), (135, 140104), (166, 113940), (180, 105078), (211, 89640), (216, 87565), (249, 75960), (270, 70052), (332, 56970), (360, 52539), (415, 45576), (422, 44820), (498, 37980), (540, 35026), (633, 29880), (664, 28485), (747, 25320), (830, 22788), (844, 22410), (996, 18990), (1055, 17928), (1080, 17513), (1245, 15192), (1266, 14940), (1494, 12660), (1660, 11394), (1688, 11205), (1899, 9960), (1992, 9495), (2110, 8964), (2241, 8440), (2490, 7596), (2532, 7470), (2988, 6330), (3165, 5976), (3320, 5697), (3735, 5064), (3798, 4980), (4220, 4482)]