19229640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:183

約数の個数: 128

約数和(自身を含む): 61067520

約数和(自身を除く): 41837880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 61, 71, 74, 111, 120, 122, 142, 148, 183, 185, 213, 222, 244, 284, 296, 305, 355, 366, 370, 426, 444, 488, 555, 568, 610, 710, 732, 740, 852, 888, 915, 1065, 1110, 1220, 1420, 1464, 1480, 1704, 1830, 2130, 2220, 2257, 2440, 2627, 2840, 3660, 4260, 4331, 4440, 4514, 5254, 6771, 7320, 7881, 8520, 8662, 9028, 10508, 11285, 12993, 13135, 13542, 15762, 17324, 18056, 21016, 21655, 22570, 25986, 26270, 27084, 31524, 33855, 34648, 39405, 43310, 45140, 51972, 52540, 54168, 63048, 64965, 67710, 78810, 86620, 90280, 103944, 105080, 129930, 135420, 157620, 160247, 173240, 259860, 270840, 315240, 320494, 480741, 519720, 640988, 801235, 961482, 1281976, 1602470, 1922964, 2403705, 3204940, 3845928, 4807410, 6409880, 9614820, 19229640]

約数ペア:

[(1, 19229640), (2, 9614820), (3, 6409880), (4, 4807410), (5, 3845928), (6, 3204940), (8, 2403705), (10, 1922964), (12, 1602470), (15, 1281976), (20, 961482), (24, 801235), (30, 640988), (37, 519720), (40, 480741), (60, 320494), (61, 315240), (71, 270840), (74, 259860), (111, 173240), (120, 160247), (122, 157620), (142, 135420), (148, 129930), (183, 105080), (185, 103944), (213, 90280), (222, 86620), (244, 78810), (284, 67710), (296, 64965), (305, 63048), (355, 54168), (366, 52540), (370, 51972), (426, 45140), (444, 43310), (488, 39405), (555, 34648), (568, 33855), (610, 31524), (710, 27084), (732, 26270), (740, 25986), (852, 22570), (888, 21655), (915, 21016), (1065, 18056), (1110, 17324), (1220, 15762), (1420, 13542), (1464, 13135), (1480, 12993), (1704, 11285), (1830, 10508), (2130, 9028), (2220, 8662), (2257, 8520), (2440, 7881), (2627, 7320), (2840, 6771), (3660, 5254), (4260, 4514), (4331, 4440)]