19913372

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:206

約数の個数: 48

約数和(自身を含む): 38102400

約数和(自身を除く): 18189028

約数列:

[1, 2, 4, 29, 41, 53, 58, 79, 82, 106, 116, 158, 164, 212, 316, 1189, 1537, 2173, 2291, 2378, 3074, 3239, 4187, 4346, 4582, 4756, 6148, 6478, 8374, 8692, 9164, 12956, 16748, 63017, 93931, 121423, 126034, 171667, 187862, 242846, 252068, 343334, 375724, 485692, 686668, 4978343, 9956686, 19913372]

約数ペア:

[(1, 19913372), (2, 9956686), (4, 4978343), (29, 686668), (41, 485692), (53, 375724), (58, 343334), (79, 252068), (82, 242846), (106, 187862), (116, 171667), (158, 126034), (164, 121423), (212, 93931), (316, 63017), (1189, 16748), (1537, 12956), (2173, 9164), (2291, 8692), (2378, 8374), (3074, 6478), (3239, 6148), (4187, 4756), (4346, 4582)]