218937456

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{80021}}^1$

素因数の和:80054

約数の個数: 60

約数和(自身を含む): 644977320

約数和(自身を除く): 426039864

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 36, 38, 48, 57, 72, 76, 114, 144, 152, 171, 228, 304, 342, 456, 684, 912, 1368, 2736, 80021, 160042, 240063, 320084, 480126, 640168, 720189, 960252, 1280336, 1440378, 1520399, 1920504, 2880756, 3040798, 3841008, 4561197, 5761512, 6081596, 9122394, 11523024, 12163192, 13683591, 18244788, 24326384, 27367182, 36489576, 54734364, 72979152, 109468728, 218937456]

約数ペア:

[(1, 218937456), (2, 109468728), (3, 72979152), (4, 54734364), (6, 36489576), (8, 27367182), (9, 24326384), (12, 18244788), (16, 13683591), (18, 12163192), (19, 11523024), (24, 9122394), (36, 6081596), (38, 5761512), (48, 4561197), (57, 3841008), (72, 3040798), (76, 2880756), (114, 1920504), (144, 1520399), (152, 1440378), (171, 1280336), (228, 960252), (304, 720189), (342, 640168), (456, 480126), (684, 320084), (912, 240063), (1368, 160042), (2736, 80021)]