19310868

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{349}}^1$

素因数の和:441

約数の個数: 72

約数和(自身を含む): 51597000

約数和(自身を除く): 32286132

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 53, 58, 87, 106, 116, 159, 174, 212, 261, 318, 348, 349, 477, 522, 636, 698, 954, 1044, 1047, 1396, 1537, 1908, 2094, 3074, 3141, 4188, 4611, 6148, 6282, 9222, 10121, 12564, 13833, 18444, 18497, 20242, 27666, 30363, 36994, 40484, 55332, 55491, 60726, 73988, 91089, 110982, 121452, 166473, 182178, 221964, 332946, 364356, 536413, 665892, 1072826, 1609239, 2145652, 3218478, 4827717, 6436956, 9655434, 19310868]

約数ペア:

[(1, 19310868), (2, 9655434), (3, 6436956), (4, 4827717), (6, 3218478), (9, 2145652), (12, 1609239), (18, 1072826), (29, 665892), (36, 536413), (53, 364356), (58, 332946), (87, 221964), (106, 182178), (116, 166473), (159, 121452), (174, 110982), (212, 91089), (261, 73988), (318, 60726), (348, 55491), (349, 55332), (477, 40484), (522, 36994), (636, 30363), (698, 27666), (954, 20242), (1044, 18497), (1047, 18444), (1396, 13833), (1537, 12564), (1908, 10121), (2094, 9222), (3074, 6282), (3141, 6148), (4188, 4611)]