18747190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{251}}^1$

素因数の和:373

約数の個数: 64

約数和(自身を含む): 42674688

約数和(自身を除く): 23927498

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 97, 110, 154, 194, 251, 385, 485, 502, 679, 770, 970, 1067, 1255, 1358, 1757, 2134, 2510, 2761, 3395, 3514, 5335, 5522, 6790, 7469, 8785, 10670, 13805, 14938, 17570, 19327, 24347, 27610, 37345, 38654, 48694, 74690, 96635, 121735, 170429, 193270, 243470, 267817, 340858, 535634, 852145, 1339085, 1704290, 1874719, 2678170, 3749438, 9373595, 18747190]

約数ペア:

[(1, 18747190), (2, 9373595), (5, 3749438), (7, 2678170), (10, 1874719), (11, 1704290), (14, 1339085), (22, 852145), (35, 535634), (55, 340858), (70, 267817), (77, 243470), (97, 193270), (110, 170429), (154, 121735), (194, 96635), (251, 74690), (385, 48694), (485, 38654), (502, 37345), (679, 27610), (770, 24347), (970, 19327), (1067, 17570), (1255, 14938), (1358, 13805), (1757, 10670), (2134, 8785), (2510, 7469), (2761, 6790), (3395, 5522), (3514, 5335)]