18856477380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{396311}}^1$

素因数の和:396397

約数の個数: 96

約数和(自身を含む): 57791801088

約数和(自身を除く): 38935323708

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 61, 65, 78, 122, 130, 156, 183, 195, 244, 260, 305, 366, 390, 610, 732, 780, 793, 915, 1220, 1586, 1830, 2379, 3172, 3660, 3965, 4758, 7930, 9516, 11895, 15860, 23790, 47580, 396311, 792622, 1188933, 1585244, 1981555, 2377866, 3963110, 4755732, 5152043, 5944665, 7926220, 10304086, 11889330, 15456129, 20608172, 23778660, 24174971, 25760215, 30912258, 48349942, 51520430, 61824516, 72524913, 77280645, 96699884, 103040860, 120874855, 145049826, 154561290, 241749710, 290099652, 309122580, 314274623, 362624565, 483499420, 628549246, 725249130, 942823869, 1257098492, 1450498260, 1571373115, 1885647738, 3142746230, 3771295476, 4714119345, 6285492460, 9428238690, 18856477380]

約数ペア:

[(1, 18856477380), (2, 9428238690), (3, 6285492460), (4, 4714119345), (5, 3771295476), (6, 3142746230), (10, 1885647738), (12, 1571373115), (13, 1450498260), (15, 1257098492), (20, 942823869), (26, 725249130), (30, 628549246), (39, 483499420), (52, 362624565), (60, 314274623), (61, 309122580), (65, 290099652), (78, 241749710), (122, 154561290), (130, 145049826), (156, 120874855), (183, 103040860), (195, 96699884), (244, 77280645), (260, 72524913), (305, 61824516), (366, 51520430), (390, 48349942), (610, 30912258), (732, 25760215), (780, 24174971), (793, 23778660), (915, 20608172), (1220, 15456129), (1586, 11889330), (1830, 10304086), (2379, 7926220), (3172, 5944665), (3660, 5152043), (3965, 4755732), (4758, 3963110), (7930, 2377866), (9516, 1981555), (11895, 1585244), (15860, 1188933), (23790, 792622), (47580, 396311)]