19625034

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{257}}^1$

素因数の和:375

約数の個数: 64

約数和(自身を含む): 46811520

約数和(自身を除く): 27186486

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 89, 143, 178, 257, 267, 286, 429, 514, 534, 771, 858, 979, 1157, 1542, 1958, 2314, 2827, 2937, 3341, 3471, 5654, 5874, 6682, 6942, 8481, 10023, 12727, 16962, 20046, 22873, 25454, 36751, 38181, 45746, 68619, 73502, 76362, 110253, 137238, 220506, 251603, 297349, 503206, 594698, 754809, 892047, 1509618, 1784094, 3270839, 6541678, 9812517, 19625034]

約数ペア:

[(1, 19625034), (2, 9812517), (3, 6541678), (6, 3270839), (11, 1784094), (13, 1509618), (22, 892047), (26, 754809), (33, 594698), (39, 503206), (66, 297349), (78, 251603), (89, 220506), (143, 137238), (178, 110253), (257, 76362), (267, 73502), (286, 68619), (429, 45746), (514, 38181), (534, 36751), (771, 25454), (858, 22873), (979, 20046), (1157, 16962), (1542, 12727), (1958, 10023), (2314, 8481), (2827, 6942), (2937, 6682), (3341, 5874), (3471, 5654)]