20191875890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{11593}}^1$

素因数の和:11811

約数の個数: 64

約数和(自身を含む): 39067142400

約数和(自身を除く): 18875266510

約数列:

[1, 2, 5, 10, 19, 38, 89, 95, 103, 178, 190, 206, 445, 515, 890, 1030, 1691, 1957, 3382, 3914, 8455, 9167, 9785, 11593, 16910, 18334, 19570, 23186, 45835, 57965, 91670, 115930, 174173, 220267, 348346, 440534, 870865, 1031777, 1101335, 1194079, 1741730, 2063554, 2202670, 2388158, 5158885, 5970395, 10317770, 11940790, 19603763, 22687501, 39207526, 45375002, 98018815, 106273031, 113437505, 196037630, 212546062, 226875010, 531365155, 1062730310, 2019187589, 4038375178, 10095937945, 20191875890]

約数ペア:

[(1, 20191875890), (2, 10095937945), (5, 4038375178), (10, 2019187589), (19, 1062730310), (38, 531365155), (89, 226875010), (95, 212546062), (103, 196037630), (178, 113437505), (190, 106273031), (206, 98018815), (445, 45375002), (515, 39207526), (890, 22687501), (1030, 19603763), (1691, 11940790), (1957, 10317770), (3382, 5970395), (3914, 5158885), (8455, 2388158), (9167, 2202670), (9785, 2063554), (11593, 1741730), (16910, 1194079), (18334, 1101335), (19570, 1031777), (23186, 870865), (45835, 440534), (57965, 348346), (91670, 220267), (115930, 174173)]