19984050

素因数分解:

$2^1\times 3^3\times 5^2\times {\mathrm{113}}^1\times {\mathrm{131}}^1$

素因数の和:265

約数の個数: 96

約数和(自身を含む): 55978560

約数和(自身を除く): 35994510

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 75, 90, 113, 131, 135, 150, 225, 226, 262, 270, 339, 393, 450, 565, 655, 675, 678, 786, 1017, 1130, 1179, 1310, 1350, 1695, 1965, 2034, 2358, 2825, 3051, 3275, 3390, 3537, 3930, 5085, 5650, 5895, 6102, 6550, 7074, 8475, 9825, 10170, 11790, 14803, 15255, 16950, 17685, 19650, 25425, 29475, 29606, 30510, 35370, 44409, 50850, 58950, 74015, 76275, 88425, 88818, 133227, 148030, 152550, 176850, 222045, 266454, 370075, 399681, 444090, 666135, 740150, 799362, 1110225, 1332270, 1998405, 2220450, 3330675, 3996810, 6661350, 9992025, 19984050]

約数ペア:

[(1, 19984050), (2, 9992025), (3, 6661350), (5, 3996810), (6, 3330675), (9, 2220450), (10, 1998405), (15, 1332270), (18, 1110225), (25, 799362), (27, 740150), (30, 666135), (45, 444090), (50, 399681), (54, 370075), (75, 266454), (90, 222045), (113, 176850), (131, 152550), (135, 148030), (150, 133227), (225, 88818), (226, 88425), (262, 76275), (270, 74015), (339, 58950), (393, 50850), (450, 44409), (565, 35370), (655, 30510), (675, 29606), (678, 29475), (786, 25425), (1017, 19650), (1130, 17685), (1179, 16950), (1310, 15255), (1350, 14803), (1695, 11790), (1965, 10170), (2034, 9825), (2358, 8475), (2825, 7074), (3051, 6550), (3275, 6102), (3390, 5895), (3537, 5650), (3930, 5085)]