19749360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:167

約数の個数: 160

約数和(自身を含む): 66424320

約数和(自身を除く): 46674960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 61, 71, 76, 80, 95, 114, 120, 122, 142, 152, 183, 190, 213, 228, 240, 244, 284, 285, 304, 305, 355, 366, 380, 426, 456, 488, 568, 570, 610, 710, 732, 760, 852, 912, 915, 976, 1065, 1136, 1140, 1159, 1220, 1349, 1420, 1464, 1520, 1704, 1830, 2130, 2280, 2318, 2440, 2698, 2840, 2928, 3408, 3477, 3660, 4047, 4260, 4331, 4560, 4636, 4880, 5396, 5680, 5795, 6745, 6954, 7320, 8094, 8520, 8662, 9272, 10792, 11590, 12993, 13490, 13908, 14640, 16188, 17040, 17324, 17385, 18544, 20235, 21584, 21655, 23180, 25986, 26980, 27816, 32376, 34648, 34770, 40470, 43310, 46360, 51972, 53960, 55632, 64752, 64965, 69296, 69540, 80940, 82289, 86620, 92720, 103944, 107920, 129930, 139080, 161880, 164578, 173240, 207888, 246867, 259860, 278160, 323760, 329156, 346480, 411445, 493734, 519720, 658312, 822890, 987468, 1039440, 1234335, 1316624, 1645780, 1974936, 2468670, 3291560, 3949872, 4937340, 6583120, 9874680, 19749360]

約数ペア:

[(1, 19749360), (2, 9874680), (3, 6583120), (4, 4937340), (5, 3949872), (6, 3291560), (8, 2468670), (10, 1974936), (12, 1645780), (15, 1316624), (16, 1234335), (19, 1039440), (20, 987468), (24, 822890), (30, 658312), (38, 519720), (40, 493734), (48, 411445), (57, 346480), (60, 329156), (61, 323760), (71, 278160), (76, 259860), (80, 246867), (95, 207888), (114, 173240), (120, 164578), (122, 161880), (142, 139080), (152, 129930), (183, 107920), (190, 103944), (213, 92720), (228, 86620), (240, 82289), (244, 80940), (284, 69540), (285, 69296), (304, 64965), (305, 64752), (355, 55632), (366, 53960), (380, 51972), (426, 46360), (456, 43310), (488, 40470), (568, 34770), (570, 34648), (610, 32376), (710, 27816), (732, 26980), (760, 25986), (852, 23180), (912, 21655), (915, 21584), (976, 20235), (1065, 18544), (1136, 17385), (1140, 17324), (1159, 17040), (1220, 16188), (1349, 14640), (1420, 13908), (1464, 13490), (1520, 12993), (1704, 11590), (1830, 10792), (2130, 9272), (2280, 8662), (2318, 8520), (2440, 8094), (2698, 7320), (2840, 6954), (2928, 6745), (3408, 5795), (3477, 5680), (3660, 5396), (4047, 4880), (4260, 4636), (4331, 4560)]