19478850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:176

約数の個数: 96

約数和(自身を含む): 51425280

約数和(自身を除く): 31946430

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 31, 50, 59, 62, 71, 75, 93, 118, 142, 150, 155, 177, 186, 213, 295, 310, 354, 355, 426, 465, 590, 710, 775, 885, 930, 1065, 1475, 1550, 1770, 1775, 1829, 2130, 2201, 2325, 2950, 3550, 3658, 4189, 4402, 4425, 4650, 5325, 5487, 6603, 8378, 8850, 9145, 10650, 10974, 11005, 12567, 13206, 18290, 20945, 22010, 25134, 27435, 33015, 41890, 45725, 54870, 55025, 62835, 66030, 91450, 104725, 110050, 125670, 129859, 137175, 165075, 209450, 259718, 274350, 314175, 330150, 389577, 628350, 649295, 779154, 1298590, 1947885, 3246475, 3895770, 6492950, 9739425, 19478850]

約数ペア:

[(1, 19478850), (2, 9739425), (3, 6492950), (5, 3895770), (6, 3246475), (10, 1947885), (15, 1298590), (25, 779154), (30, 649295), (31, 628350), (50, 389577), (59, 330150), (62, 314175), (71, 274350), (75, 259718), (93, 209450), (118, 165075), (142, 137175), (150, 129859), (155, 125670), (177, 110050), (186, 104725), (213, 91450), (295, 66030), (310, 62835), (354, 55025), (355, 54870), (426, 45725), (465, 41890), (590, 33015), (710, 27435), (775, 25134), (885, 22010), (930, 20945), (1065, 18290), (1475, 13206), (1550, 12567), (1770, 11005), (1775, 10974), (1829, 10650), (2130, 9145), (2201, 8850), (2325, 8378), (2950, 6603), (3550, 5487), (3658, 5325), (4189, 4650), (4402, 4425)]