19721904

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{24169}}^1$

素因数の和:24197

約数の個数: 40

約数和(自身を含む): 53947440

約数和(自身を除く): 34225536

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 204, 272, 408, 816, 24169, 48338, 72507, 96676, 145014, 193352, 290028, 386704, 410873, 580056, 821746, 1160112, 1232619, 1643492, 2465238, 3286984, 4930476, 6573968, 9860952, 19721904]

約数ペア:

[(1, 19721904), (2, 9860952), (3, 6573968), (4, 4930476), (6, 3286984), (8, 2465238), (12, 1643492), (16, 1232619), (17, 1160112), (24, 821746), (34, 580056), (48, 410873), (51, 386704), (68, 290028), (102, 193352), (136, 145014), (204, 96676), (272, 72507), (408, 48338), (816, 24169)]