18853828

素因数分解:

$2^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:185

約数の個数: 72

約数和(自身を含む): 41368320

約数和(自身を除く): 22514492

約数列:

[1, 2, 4, 7, 14, 28, 29, 31, 49, 58, 62, 98, 107, 116, 124, 196, 203, 214, 217, 406, 428, 434, 749, 812, 868, 899, 1421, 1498, 1519, 1798, 2842, 2996, 3038, 3103, 3317, 3596, 5243, 5684, 6076, 6206, 6293, 6634, 10486, 12412, 12586, 13268, 20972, 21721, 23219, 25172, 43442, 44051, 46438, 86884, 88102, 92876, 96193, 152047, 162533, 176204, 192386, 304094, 325066, 384772, 608188, 650132, 673351, 1346702, 2693404, 4713457, 9426914, 18853828]

約数ペア:

[(1, 18853828), (2, 9426914), (4, 4713457), (7, 2693404), (14, 1346702), (28, 673351), (29, 650132), (31, 608188), (49, 384772), (58, 325066), (62, 304094), (98, 192386), (107, 176204), (116, 162533), (124, 152047), (196, 96193), (203, 92876), (214, 88102), (217, 86884), (406, 46438), (428, 44051), (434, 43442), (749, 25172), (812, 23219), (868, 21721), (899, 20972), (1421, 13268), (1498, 12586), (1519, 12412), (1798, 10486), (2842, 6634), (2996, 6293), (3038, 6206), (3103, 6076), (3317, 5684), (3596, 5243)]