18258780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:267

約数の個数: 96

約数和(自身を含む): 54286848

約数和(自身を除く): 36028068

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 101, 115, 131, 138, 202, 230, 262, 276, 303, 345, 393, 404, 460, 505, 524, 606, 655, 690, 786, 1010, 1212, 1310, 1380, 1515, 1572, 1965, 2020, 2323, 2620, 3013, 3030, 3930, 4646, 6026, 6060, 6969, 7860, 9039, 9292, 11615, 12052, 13231, 13938, 15065, 18078, 23230, 26462, 27876, 30130, 34845, 36156, 39693, 45195, 46460, 52924, 60260, 66155, 69690, 79386, 90390, 132310, 139380, 158772, 180780, 198465, 264620, 304313, 396930, 608626, 793860, 912939, 1217252, 1521565, 1825878, 3043130, 3651756, 4564695, 6086260, 9129390, 18258780]

約数ペア:

[(1, 18258780), (2, 9129390), (3, 6086260), (4, 4564695), (5, 3651756), (6, 3043130), (10, 1825878), (12, 1521565), (15, 1217252), (20, 912939), (23, 793860), (30, 608626), (46, 396930), (60, 304313), (69, 264620), (92, 198465), (101, 180780), (115, 158772), (131, 139380), (138, 132310), (202, 90390), (230, 79386), (262, 69690), (276, 66155), (303, 60260), (345, 52924), (393, 46460), (404, 45195), (460, 39693), (505, 36156), (524, 34845), (606, 30130), (655, 27876), (690, 26462), (786, 23230), (1010, 18078), (1212, 15065), (1310, 13938), (1380, 13231), (1515, 12052), (1572, 11615), (1965, 9292), (2020, 9039), (2323, 7860), (2620, 6969), (3013, 6060), (3030, 6026), (3930, 4646)]