19356032

素因数分解:

$2^7\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:179

約数の個数: 64

約数和(自身を含む): 40853040

約数和(自身を除く): 21497008

約数列:

[1, 2, 4, 8, 16, 32, 37, 61, 64, 67, 74, 122, 128, 134, 148, 244, 268, 296, 488, 536, 592, 976, 1072, 1184, 1952, 2144, 2257, 2368, 2479, 3904, 4087, 4288, 4514, 4736, 4958, 7808, 8174, 8576, 9028, 9916, 16348, 18056, 19832, 32696, 36112, 39664, 65392, 72224, 79328, 130784, 144448, 151219, 158656, 261568, 288896, 302438, 317312, 523136, 604876, 1209752, 2419504, 4839008, 9678016, 19356032]

約数ペア:

[(1, 19356032), (2, 9678016), (4, 4839008), (8, 2419504), (16, 1209752), (32, 604876), (37, 523136), (61, 317312), (64, 302438), (67, 288896), (74, 261568), (122, 158656), (128, 151219), (134, 144448), (148, 130784), (244, 79328), (268, 72224), (296, 65392), (488, 39664), (536, 36112), (592, 32696), (976, 19832), (1072, 18056), (1184, 16348), (1952, 9916), (2144, 9028), (2257, 8576), (2368, 8174), (2479, 7808), (3904, 4958), (4087, 4736), (4288, 4514)]