19955348

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1$

素因数の和:201

約数の個数: 72

約数和(自身を含む): 44212392

約数和(自身を除く): 24257044

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 49, 53, 68, 98, 106, 113, 119, 196, 212, 226, 238, 371, 452, 476, 742, 791, 833, 901, 1484, 1582, 1666, 1802, 1921, 2597, 3164, 3332, 3604, 3842, 5194, 5537, 5989, 6307, 7684, 10388, 11074, 11978, 12614, 13447, 22148, 23956, 25228, 26894, 41923, 44149, 53788, 83846, 88298, 94129, 101813, 167692, 176596, 188258, 203626, 293461, 376516, 407252, 586922, 712691, 1173844, 1425382, 2850764, 4988837, 9977674, 19955348]

約数ペア:

[(1, 19955348), (2, 9977674), (4, 4988837), (7, 2850764), (14, 1425382), (17, 1173844), (28, 712691), (34, 586922), (49, 407252), (53, 376516), (68, 293461), (98, 203626), (106, 188258), (113, 176596), (119, 167692), (196, 101813), (212, 94129), (226, 88298), (238, 83846), (371, 53788), (452, 44149), (476, 41923), (742, 26894), (791, 25228), (833, 23956), (901, 22148), (1484, 13447), (1582, 12614), (1666, 11978), (1802, 11074), (1921, 10388), (2597, 7684), (3164, 6307), (3332, 5989), (3604, 5537), (3842, 5194)]