18491632

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{461}}^1$

素因数の和:601

約数の個数: 40

約数和(自身を含む): 37810080

約数和(自身を除く): 19318448

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 109, 184, 218, 368, 436, 461, 872, 922, 1744, 1844, 2507, 3688, 5014, 7376, 10028, 10603, 20056, 21206, 40112, 42412, 50249, 84824, 100498, 169648, 200996, 401992, 803984, 1155727, 2311454, 4622908, 9245816, 18491632]

約数ペア:

[(1, 18491632), (2, 9245816), (4, 4622908), (8, 2311454), (16, 1155727), (23, 803984), (46, 401992), (92, 200996), (109, 169648), (184, 100498), (218, 84824), (368, 50249), (436, 42412), (461, 40112), (872, 21206), (922, 20056), (1744, 10603), (1844, 10028), (2507, 7376), (3688, 5014)]