19510367420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{448927}}^1$

素因数の和:449030

約数の個数: 48

約数和(自身を含む): 42763085568

約数和(自身を除く): 23252718148

約数列:

[1, 2, 4, 5, 10, 20, 41, 53, 82, 106, 164, 205, 212, 265, 410, 530, 820, 1060, 2173, 4346, 8692, 10865, 21730, 43460, 448927, 897854, 1795708, 2244635, 4489270, 8978540, 18406007, 23793131, 36812014, 47586262, 73624028, 92030035, 95172524, 118965655, 184060070, 237931310, 368120140, 475862620, 975518371, 1951036742, 3902073484, 4877591855, 9755183710, 19510367420]

約数ペア:

[(1, 19510367420), (2, 9755183710), (4, 4877591855), (5, 3902073484), (10, 1951036742), (20, 975518371), (41, 475862620), (53, 368120140), (82, 237931310), (106, 184060070), (164, 118965655), (205, 95172524), (212, 92030035), (265, 73624028), (410, 47586262), (530, 36812014), (820, 23793131), (1060, 18406007), (2173, 8978540), (4346, 4489270), (8692, 2244635), (10865, 1795708), (21730, 897854), (43460, 448927)]