19243575

素因数分解:

$3^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1$

素因数の和:95

約数の個数: 120

約数和(自身を含む): 41591088

約数和(自身を除く): 22347513

約数列:

[1, 3, 5, 9, 13, 15, 17, 25, 27, 39, 43, 45, 51, 65, 75, 81, 85, 117, 129, 135, 153, 195, 215, 221, 225, 255, 325, 351, 387, 405, 425, 459, 559, 585, 645, 663, 675, 731, 765, 975, 1053, 1075, 1105, 1161, 1275, 1377, 1677, 1755, 1935, 1989, 2025, 2193, 2295, 2795, 2925, 3225, 3315, 3483, 3655, 3825, 5031, 5265, 5525, 5805, 5967, 6579, 6885, 8385, 8775, 9503, 9675, 9945, 10965, 11475, 13975, 15093, 16575, 17415, 17901, 18275, 19737, 25155, 26325, 28509, 29025, 29835, 32895, 34425, 41925, 45279, 47515, 49725, 54825, 59211, 75465, 85527, 87075, 89505, 98685, 125775, 142545, 149175, 164475, 226395, 237575, 256581, 296055, 377325, 427635, 447525, 493425, 712725, 769743, 1131975, 1282905, 1480275, 2138175, 3848715, 6414525, 19243575]

約数ペア:

[(1, 19243575), (3, 6414525), (5, 3848715), (9, 2138175), (13, 1480275), (15, 1282905), (17, 1131975), (25, 769743), (27, 712725), (39, 493425), (43, 447525), (45, 427635), (51, 377325), (65, 296055), (75, 256581), (81, 237575), (85, 226395), (117, 164475), (129, 149175), (135, 142545), (153, 125775), (195, 98685), (215, 89505), (221, 87075), (225, 85527), (255, 75465), (325, 59211), (351, 54825), (387, 49725), (405, 47515), (425, 45279), (459, 41925), (559, 34425), (585, 32895), (645, 29835), (663, 29025), (675, 28509), (731, 26325), (765, 25155), (975, 19737), (1053, 18275), (1075, 17901), (1105, 17415), (1161, 16575), (1275, 15093), (1377, 13975), (1677, 11475), (1755, 10965), (1935, 9945), (1989, 9675), (2025, 9503), (2193, 8775), (2295, 8385), (2795, 6885), (2925, 6579), (3225, 5967), (3315, 5805), (3483, 5525), (3655, 5265), (3825, 5031)]