19925528

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{307}}^1$

素因数の和:400

約数の個数: 64

約数和(自身を含む): 45830400

約数和(自身を除く): 25904872

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 61, 76, 122, 133, 152, 244, 266, 307, 427, 488, 532, 614, 854, 1064, 1159, 1228, 1708, 2149, 2318, 2456, 3416, 4298, 4636, 5833, 8113, 8596, 9272, 11666, 16226, 17192, 18727, 23332, 32452, 37454, 40831, 46664, 64904, 74908, 81662, 131089, 149816, 163324, 262178, 326648, 355813, 524356, 711626, 1048712, 1423252, 2490691, 2846504, 4981382, 9962764, 19925528]

約数ペア:

[(1, 19925528), (2, 9962764), (4, 4981382), (7, 2846504), (8, 2490691), (14, 1423252), (19, 1048712), (28, 711626), (38, 524356), (56, 355813), (61, 326648), (76, 262178), (122, 163324), (133, 149816), (152, 131089), (244, 81662), (266, 74908), (307, 64904), (427, 46664), (488, 40831), (532, 37454), (614, 32452), (854, 23332), (1064, 18727), (1159, 17192), (1228, 16226), (1708, 11666), (2149, 9272), (2318, 8596), (2456, 8113), (3416, 5833), (4298, 4636)]