19199970

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:169

約数の個数: 128

約数和(自身を含む): 55987200

約数和(自身を除く): 36787230

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 27, 30, 34, 45, 47, 51, 54, 85, 89, 90, 94, 102, 135, 141, 153, 170, 178, 235, 255, 267, 270, 282, 306, 423, 445, 459, 470, 510, 534, 705, 765, 799, 801, 846, 890, 918, 1269, 1335, 1410, 1513, 1530, 1598, 1602, 2115, 2295, 2397, 2403, 2538, 2670, 3026, 3995, 4005, 4183, 4230, 4539, 4590, 4794, 4806, 6345, 7191, 7565, 7990, 8010, 8366, 9078, 11985, 12015, 12549, 12690, 13617, 14382, 15130, 20915, 21573, 22695, 23970, 24030, 25098, 27234, 35955, 37647, 40851, 41830, 43146, 45390, 62745, 68085, 71111, 71910, 75294, 81702, 107865, 112941, 125490, 136170, 142222, 188235, 204255, 213333, 215730, 225882, 355555, 376470, 408510, 426666, 564705, 639999, 711110, 1066665, 1129410, 1279998, 1919997, 2133330, 3199995, 3839994, 6399990, 9599985, 19199970]

約数ペア:

[(1, 19199970), (2, 9599985), (3, 6399990), (5, 3839994), (6, 3199995), (9, 2133330), (10, 1919997), (15, 1279998), (17, 1129410), (18, 1066665), (27, 711110), (30, 639999), (34, 564705), (45, 426666), (47, 408510), (51, 376470), (54, 355555), (85, 225882), (89, 215730), (90, 213333), (94, 204255), (102, 188235), (135, 142222), (141, 136170), (153, 125490), (170, 112941), (178, 107865), (235, 81702), (255, 75294), (267, 71910), (270, 71111), (282, 68085), (306, 62745), (423, 45390), (445, 43146), (459, 41830), (470, 40851), (510, 37647), (534, 35955), (705, 27234), (765, 25098), (799, 24030), (801, 23970), (846, 22695), (890, 21573), (918, 20915), (1269, 15130), (1335, 14382), (1410, 13617), (1513, 12690), (1530, 12549), (1598, 12015), (1602, 11985), (2115, 9078), (2295, 8366), (2397, 8010), (2403, 7990), (2538, 7565), (2670, 7191), (3026, 6345), (3995, 4806), (4005, 4794), (4183, 4590), (4230, 4539)]