19162680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:221

約数の個数: 128

約数和(自身を含む): 61585920

約数和(自身を除く): 42423240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 53, 60, 69, 92, 106, 115, 120, 131, 138, 159, 184, 212, 230, 262, 265, 276, 318, 345, 393, 424, 460, 524, 530, 552, 636, 655, 690, 786, 795, 920, 1048, 1060, 1219, 1272, 1310, 1380, 1572, 1590, 1965, 2120, 2438, 2620, 2760, 3013, 3144, 3180, 3657, 3930, 4876, 5240, 6026, 6095, 6360, 6943, 7314, 7860, 9039, 9752, 12052, 12190, 13886, 14628, 15065, 15720, 18078, 18285, 20829, 24104, 24380, 27772, 29256, 30130, 34715, 36156, 36570, 41658, 45195, 48760, 55544, 60260, 69430, 72312, 73140, 83316, 90390, 104145, 120520, 138860, 146280, 159689, 166632, 180780, 208290, 277720, 319378, 361560, 416580, 479067, 638756, 798445, 833160, 958134, 1277512, 1596890, 1916268, 2395335, 3193780, 3832536, 4790670, 6387560, 9581340, 19162680]

約数ペア:

[(1, 19162680), (2, 9581340), (3, 6387560), (4, 4790670), (5, 3832536), (6, 3193780), (8, 2395335), (10, 1916268), (12, 1596890), (15, 1277512), (20, 958134), (23, 833160), (24, 798445), (30, 638756), (40, 479067), (46, 416580), (53, 361560), (60, 319378), (69, 277720), (92, 208290), (106, 180780), (115, 166632), (120, 159689), (131, 146280), (138, 138860), (159, 120520), (184, 104145), (212, 90390), (230, 83316), (262, 73140), (265, 72312), (276, 69430), (318, 60260), (345, 55544), (393, 48760), (424, 45195), (460, 41658), (524, 36570), (530, 36156), (552, 34715), (636, 30130), (655, 29256), (690, 27772), (786, 24380), (795, 24104), (920, 20829), (1048, 18285), (1060, 18078), (1219, 15720), (1272, 15065), (1310, 14628), (1380, 13886), (1572, 12190), (1590, 12052), (1965, 9752), (2120, 9039), (2438, 7860), (2620, 7314), (2760, 6943), (3013, 6360), (3144, 6095), (3180, 6026), (3657, 5240), (3930, 4876)]