18250145920

素因数分解:

$2^7\times 5^1\times {\mathrm{61}}^1\times {\mathrm{467473}}^1$

素因数の和:467553

約数の個数: 64

約数和(自身を含む): 44344583640

約数和(自身を除く): 26094437720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 305, 320, 488, 610, 640, 976, 1220, 1952, 2440, 3904, 4880, 7808, 9760, 19520, 39040, 467473, 934946, 1869892, 2337365, 3739784, 4674730, 7479568, 9349460, 14959136, 18698920, 28515853, 29918272, 37397840, 57031706, 59836544, 74795680, 114063412, 142579265, 149591360, 228126824, 285158530, 299182720, 456253648, 570317060, 912507296, 1140634120, 1825014592, 2281268240, 3650029184, 4562536480, 9125072960, 18250145920]

約数ペア:

[(1, 18250145920), (2, 9125072960), (4, 4562536480), (5, 3650029184), (8, 2281268240), (10, 1825014592), (16, 1140634120), (20, 912507296), (32, 570317060), (40, 456253648), (61, 299182720), (64, 285158530), (80, 228126824), (122, 149591360), (128, 142579265), (160, 114063412), (244, 74795680), (305, 59836544), (320, 57031706), (488, 37397840), (610, 29918272), (640, 28515853), (976, 18698920), (1220, 14959136), (1952, 9349460), (2440, 7479568), (3904, 4674730), (4880, 3739784), (7808, 2337365), (9760, 1869892), (19520, 934946), (39040, 467473)]