18631840

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:182

約数の個数: 96

約数和(自身を含む): 47246976

約数和(自身を除く): 28615136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 61, 80, 83, 92, 115, 122, 160, 166, 184, 230, 244, 305, 332, 368, 415, 460, 488, 610, 664, 736, 830, 920, 976, 1220, 1328, 1403, 1660, 1840, 1909, 1952, 2440, 2656, 2806, 3320, 3680, 3818, 4880, 5063, 5612, 6640, 7015, 7636, 9545, 9760, 10126, 11224, 13280, 14030, 15272, 19090, 20252, 22448, 25315, 28060, 30544, 38180, 40504, 44896, 50630, 56120, 61088, 76360, 81008, 101260, 112240, 116449, 152720, 162016, 202520, 224480, 232898, 305440, 405040, 465796, 582245, 810080, 931592, 1164490, 1863184, 2328980, 3726368, 4657960, 9315920, 18631840]

約数ペア:

[(1, 18631840), (2, 9315920), (4, 4657960), (5, 3726368), (8, 2328980), (10, 1863184), (16, 1164490), (20, 931592), (23, 810080), (32, 582245), (40, 465796), (46, 405040), (61, 305440), (80, 232898), (83, 224480), (92, 202520), (115, 162016), (122, 152720), (160, 116449), (166, 112240), (184, 101260), (230, 81008), (244, 76360), (305, 61088), (332, 56120), (368, 50630), (415, 44896), (460, 40504), (488, 38180), (610, 30544), (664, 28060), (736, 25315), (830, 22448), (920, 20252), (976, 19090), (1220, 15272), (1328, 14030), (1403, 13280), (1660, 11224), (1840, 10126), (1909, 9760), (1952, 9545), (2440, 7636), (2656, 7015), (2806, 6640), (3320, 5612), (3680, 5063), (3818, 4880)]