19005681152

素因数分解:

$2^9\times {\mathrm{19}}^1\times {\mathrm{1953709}}^1$

素因数の和:1953746

約数の個数: 40

約数和(自身を含む): 39972906600

約数和(自身を除く): 20967225448

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 512, 608, 1216, 2432, 4864, 9728, 1953709, 3907418, 7814836, 15629672, 31259344, 37120471, 62518688, 74240942, 125037376, 148481884, 250074752, 296963768, 500149504, 593927536, 1000299008, 1187855072, 2375710144, 4751420288, 9502840576, 19005681152]

約数ペア:

[(1, 19005681152), (2, 9502840576), (4, 4751420288), (8, 2375710144), (16, 1187855072), (19, 1000299008), (32, 593927536), (38, 500149504), (64, 296963768), (76, 250074752), (128, 148481884), (152, 125037376), (256, 74240942), (304, 62518688), (512, 37120471), (608, 31259344), (1216, 15629672), (2432, 7814836), (4864, 3907418), (9728, 1953709)]