19919112

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{653}}^1$

素因数の和:734

約数の個数: 64

約数和(自身を含む): 52738560

約数和(自身を除く): 32819448

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 41, 62, 82, 93, 123, 124, 164, 186, 246, 248, 328, 372, 492, 653, 744, 984, 1271, 1306, 1959, 2542, 2612, 3813, 3918, 5084, 5224, 7626, 7836, 10168, 15252, 15672, 20243, 26773, 30504, 40486, 53546, 60729, 80319, 80972, 107092, 121458, 160638, 161944, 214184, 242916, 321276, 485832, 642552, 829963, 1659926, 2489889, 3319852, 4979778, 6639704, 9959556, 19919112]

約数ペア:

[(1, 19919112), (2, 9959556), (3, 6639704), (4, 4979778), (6, 3319852), (8, 2489889), (12, 1659926), (24, 829963), (31, 642552), (41, 485832), (62, 321276), (82, 242916), (93, 214184), (123, 161944), (124, 160638), (164, 121458), (186, 107092), (246, 80972), (248, 80319), (328, 60729), (372, 53546), (492, 40486), (653, 30504), (744, 26773), (984, 20243), (1271, 15672), (1306, 15252), (1959, 10168), (2542, 7836), (2612, 7626), (3813, 5224), (3918, 5084)]