18916950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:226

約数の個数: 96

約数和(自身を含む): 51559200

約数和(自身を除く): 32642250

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 89, 109, 130, 150, 178, 195, 218, 267, 325, 327, 390, 445, 534, 545, 650, 654, 890, 975, 1090, 1157, 1335, 1417, 1635, 1950, 2225, 2314, 2670, 2725, 2834, 3270, 3471, 4251, 4450, 5450, 5785, 6675, 6942, 7085, 8175, 8502, 9701, 11570, 13350, 14170, 16350, 17355, 19402, 21255, 28925, 29103, 34710, 35425, 42510, 48505, 57850, 58206, 70850, 86775, 97010, 106275, 126113, 145515, 173550, 212550, 242525, 252226, 291030, 378339, 485050, 630565, 727575, 756678, 1261130, 1455150, 1891695, 3152825, 3783390, 6305650, 9458475, 18916950]

約数ペア:

[(1, 18916950), (2, 9458475), (3, 6305650), (5, 3783390), (6, 3152825), (10, 1891695), (13, 1455150), (15, 1261130), (25, 756678), (26, 727575), (30, 630565), (39, 485050), (50, 378339), (65, 291030), (75, 252226), (78, 242525), (89, 212550), (109, 173550), (130, 145515), (150, 126113), (178, 106275), (195, 97010), (218, 86775), (267, 70850), (325, 58206), (327, 57850), (390, 48505), (445, 42510), (534, 35425), (545, 34710), (650, 29103), (654, 28925), (890, 21255), (975, 19402), (1090, 17355), (1157, 16350), (1335, 14170), (1417, 13350), (1635, 11570), (1950, 9701), (2225, 8502), (2314, 8175), (2670, 7085), (2725, 6942), (2834, 6675), (3270, 5785), (3471, 5450), (4251, 4450)]