18013760

素因数分解:

$2^6\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1373}}^1$

素因数の和:1431

約数の個数: 56

約数和(自身を含む): 43973496

約数和(自身を除く): 25959736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 160, 164, 205, 320, 328, 410, 656, 820, 1312, 1373, 1640, 2624, 2746, 3280, 5492, 6560, 6865, 10984, 13120, 13730, 21968, 27460, 43936, 54920, 56293, 87872, 109840, 112586, 219680, 225172, 281465, 439360, 450344, 562930, 900688, 1125860, 1801376, 2251720, 3602752, 4503440, 9006880, 18013760]

約数ペア:

[(1, 18013760), (2, 9006880), (4, 4503440), (5, 3602752), (8, 2251720), (10, 1801376), (16, 1125860), (20, 900688), (32, 562930), (40, 450344), (41, 439360), (64, 281465), (80, 225172), (82, 219680), (160, 112586), (164, 109840), (205, 87872), (320, 56293), (328, 54920), (410, 43936), (656, 27460), (820, 21968), (1312, 13730), (1373, 13120), (1640, 10984), (2624, 6865), (2746, 6560), (3280, 5492)]