19495040

素因数分解:

$2^7\times 5^1\times {\mathrm{83}}^1\times {\mathrm{367}}^1$

素因数の和:469

約数の個数: 64

約数和(自身を含む): 47295360

約数和(自身を除く): 27800320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 83, 128, 160, 166, 320, 332, 367, 415, 640, 664, 734, 830, 1328, 1468, 1660, 1835, 2656, 2936, 3320, 3670, 5312, 5872, 6640, 7340, 10624, 11744, 13280, 14680, 23488, 26560, 29360, 30461, 46976, 53120, 58720, 60922, 117440, 121844, 152305, 234880, 243688, 304610, 487376, 609220, 974752, 1218440, 1949504, 2436880, 3899008, 4873760, 9747520, 19495040]

約数ペア:

[(1, 19495040), (2, 9747520), (4, 4873760), (5, 3899008), (8, 2436880), (10, 1949504), (16, 1218440), (20, 974752), (32, 609220), (40, 487376), (64, 304610), (80, 243688), (83, 234880), (128, 152305), (160, 121844), (166, 117440), (320, 60922), (332, 58720), (367, 53120), (415, 46976), (640, 30461), (664, 29360), (734, 26560), (830, 23488), (1328, 14680), (1468, 13280), (1660, 11744), (1835, 10624), (2656, 7340), (2936, 6640), (3320, 5872), (3670, 5312)]