2019940065

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5507}}^1$

素因数の和:5564

約数の個数: 128

約数和(自身を含む): 4441651200

約数和(自身を除く): 2421711135

約数列:

[1, 3, 5, 9, 11, 13, 15, 19, 27, 33, 39, 45, 55, 57, 65, 95, 99, 117, 135, 143, 165, 171, 195, 209, 247, 285, 297, 351, 429, 495, 513, 585, 627, 715, 741, 855, 1045, 1235, 1287, 1485, 1755, 1881, 2145, 2223, 2565, 2717, 3135, 3705, 3861, 5507, 5643, 6435, 6669, 8151, 9405, 11115, 13585, 16521, 19305, 24453, 27535, 28215, 33345, 40755, 49563, 60577, 71591, 73359, 82605, 104633, 122265, 148689, 181731, 214773, 247815, 302885, 313899, 357955, 366795, 523165, 545193, 644319, 743445, 787501, 908655, 941697, 1073865, 1150963, 1360229, 1569495, 1635579, 1932957, 2362503, 2725965, 2825091, 3221595, 3452889, 3937505, 4080687, 4708485, 5754815, 6801145, 7087509, 8177895, 9664785, 10358667, 11812515, 12242061, 14125455, 14962519, 17264445, 20403435, 21262527, 31076001, 35437545, 36726183, 44887557, 51793335, 61210305, 74812595, 106312635, 134662671, 155380005, 183630915, 224437785, 403988013, 673313355, 2019940065]

約数ペア:

[(1, 2019940065), (3, 673313355), (5, 403988013), (9, 224437785), (11, 183630915), (13, 155380005), (15, 134662671), (19, 106312635), (27, 74812595), (33, 61210305), (39, 51793335), (45, 44887557), (55, 36726183), (57, 35437545), (65, 31076001), (95, 21262527), (99, 20403435), (117, 17264445), (135, 14962519), (143, 14125455), (165, 12242061), (171, 11812515), (195, 10358667), (209, 9664785), (247, 8177895), (285, 7087509), (297, 6801145), (351, 5754815), (429, 4708485), (495, 4080687), (513, 3937505), (585, 3452889), (627, 3221595), (715, 2825091), (741, 2725965), (855, 2362503), (1045, 1932957), (1235, 1635579), (1287, 1569495), (1485, 1360229), (1755, 1150963), (1881, 1073865), (2145, 941697), (2223, 908655), (2565, 787501), (2717, 743445), (3135, 644319), (3705, 545193), (3861, 523165), (5507, 366795), (5643, 357955), (6435, 313899), (6669, 302885), (8151, 247815), (9405, 214773), (11115, 181731), (13585, 148689), (16521, 122265), (19305, 104633), (24453, 82605), (27535, 73359), (28215, 71591), (33345, 60577), (40755, 49563)]