18505770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:367

約数の個数: 64

約数和(自身を含む): 46656000

約数和(自身を除く): 28150230

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 89, 145, 174, 178, 239, 267, 290, 435, 445, 478, 534, 717, 870, 890, 1195, 1335, 1434, 2390, 2581, 2670, 3585, 5162, 6931, 7170, 7743, 12905, 13862, 15486, 20793, 21271, 25810, 34655, 38715, 41586, 42542, 63813, 69310, 77430, 103965, 106355, 127626, 207930, 212710, 319065, 616859, 638130, 1233718, 1850577, 3084295, 3701154, 6168590, 9252885, 18505770]

約数ペア:

[(1, 18505770), (2, 9252885), (3, 6168590), (5, 3701154), (6, 3084295), (10, 1850577), (15, 1233718), (29, 638130), (30, 616859), (58, 319065), (87, 212710), (89, 207930), (145, 127626), (174, 106355), (178, 103965), (239, 77430), (267, 69310), (290, 63813), (435, 42542), (445, 41586), (478, 38715), (534, 34655), (717, 25810), (870, 21271), (890, 20793), (1195, 15486), (1335, 13862), (1434, 12905), (2390, 7743), (2581, 7170), (2670, 6931), (3585, 5162)]